B IOLOGIA | CENTRALI-AMERICANA.
INSECTA.
ORTHOPTERA.
Vou. I.
BY
Dr. HENRI DE SAUSSURE, ASSISTED BY Dre. LEO ZEHNTNER anp A. PICTET.
THE FORFICULIDZA BY Count pe BORMANS.
1893-1899.
INTRODUCTION. List oF PLATES ForFICcULIDE BLattip& «lin Mantip& . GRYLLIDE Locustipz&
PLATES.
CONTENTS.
a2
INTRODUCTION.
THE enumeration of the species of the five Families of Orthoptera here dealt with having already extended to 458 pages, with twenty-one Plates, it has been decided to treat the two remaining families, the Acridiide and the Phasmide, in a separate volume. All the arrangements for the publication of the present volume have been entirely under the control of Dr. Henri de Saussure, of Geneva, who, on account of his failing eyesight, has been obliged to give up the remainder of the work.
The Forficulide have been worked out by Count de Bormans alone.
The Blattide and Mantide by Dr. Henri de Sanssure, in collaboration with Dr. Leo
Zehntner. The Gryllide by Dr. H. de Saussure alone. The Locustide by Dr. H. de Saussure, with the assistance of M. Alphonse Pictet.
The Introductory remarks and all the general dissertations on the Blattide, Mantide, Gryllide, and Locustide have been contributed entirely by Dr. H. de Saussure. In these Families the author has also described, noticed, or figured various allied North- American or Tropical South-American species for comparison, as it is very probable that some of these will eventually be found to inhabit the region under investigation. These species are throughout the work included in square brackets, though for convenience they are numbered consecutively with the others in the text.
The following is the total number of species enumerated from Central America :— Forficulide, forty-one, with eight new; Blattide, 156, with sixty new; Mantide, sixty-one, with thirty-three new ; Gryllide, 102, with forty-three new; Locustide, 273, with eighty new. The number of species for the five Families being 633, with
224 new.
The Acridiide have been undertaken by Professor Lawrence Bruner, of Lincoln, Nebraska, and we hope to commence the publication of Volume II. immediately.
Ep. April 1900.
LIST
OF
PLATES.
Plate. Fig. Page. Plate. Fig. Page. ForFIcvuLipz&. Bratripz. Diplatys jansoni, ¢ ............ L 1 2 || Theganopteryx (Pseudectobia) sub- Iv 18 7 9 Qe cece cece neces I. 2 2 pectinata...........- cece eee ° severa, Go... se ee eee ee eee I. 3 2 || Anaplecta mexicana ............ IV. 1,2 22 Echinopsalis guttata, Q ........ I. 4 3 | [ Moxa] ....... ee eee ee eee IV. 3,4 23 Psalis gagatina, d....... eee eee I. 5) Al [ MAJOr] .. 6... eee eee eee IV. 6 24 | 9 QD cee eee cece ee eees I. 6 4 fallax... kee ee eee IV. 7 25 thoracica, 9 ...........6.- I. 7 44 [ replicata]........,,...005 IV. 12 25 Anisolabis janeirensis, ¢ ........ I. 8 5 |i [ grandipennis] ............ IV. 5 25 yD cece ence eee eee I. 9 ©. || —— decipiens ................ III. 5 27 antoni, 9 ......... eee eee I. 10 5B |] ——— we eee ee IV. 10, 11 27 Sparatta nigrina, ¢ ..........5. I. 11 5 || —— elliptica................., ITI. 2 27 9 Qe cece ee ee eens I. 12 5 || —— eee ee eee eee eee IV. 8 27 schotti, Q .............08- I. 14 6 || —— dohrniana ................ III. 3 28 pelvimetra, var. rufina, ¢ I. 13 6 |) ——— ne ee eee IV. 15 28 Labia bilineata, gd ..........008- I. 15 6 fulgida ....... ee ee ee eee IV. 16 28 i I. 16 6 jamsoni .............00 aoe Il. 4 29 chalybea, 9 .............. L. 17 6 |] —— —— oe ee ec eens IV. 9 29 arcuata, GC ww ee eee eee ee I, 18, 20 6 flabellata ................ ITI. 1 29 — » Qe cece cece eens I. 19 6 | —— — .......... eee ee eee IV. 13, 14 29 -—— championi, ¢ ............ I. 21 ' 7 || Thyrsocera aurantiaca .......... Ill. 6,7 32 Spongophora brunneipennis, ¢ ... IT. 1,3 7 || Caloblatta tricolor .............. III. 11-13 33 A IL. 2° 7 || Ischnoptera inaequalis .......... VI. 14-17 36 —— pygmea, 9 ...... eee eee II. 4,5 TUL uhleriana *].............. III. 21-23 36 TOBETSI, Go... eee cece eee IL. 6 8 consobrina..........-..08. Ill. 24 37 Neolobophora ruficeps, ¢ ........ IT. 7 8 || —— conformis ................ III. 25 37 , Lecce eee eee es JT. 8 8 INCA oe eee eee eee IV. 23 38 — bogotensis, Q ............ II. ) 8 || Blatta nahua .................. IV. 19-21 42 Opisthocosmia americana, d...... IL. 22, 23 8 ~— chichimeca................ IV. 22 46 Ancistrogaster variegatus, d...... II. 10 9 || Pseudophyllodromia venosa ...... III. 30 47 toltecus, So... eee ee eee II. 11 10 || Ceratinoptera diaphana .......... III. 27-29 48 Saaeetiaieemet at ee TI. 12 10 || Anisopygia jocosiclunat ........ I. 25,26 | 50 ——championi,d ............ II. 13 10 || (Temnopteryx texensis].......... IIT. 31 520 —— impennis, d .............. II. 14 10 kauplana ............000- IV. 24-26 52 | 9 Qe cece cece ee eee Il. 15 10 Nitida,...... ee eee eee ee IV. 31, 32 53 Forficula (?) smithi, ¢ .......... II. 16 11 guatemale............000. IV. 27, 28 53 Sphingolabis teniata, 6 ........ II. 7,19 12 fissd oo... eee ee ee eee IV. 29, 30 54 » DQ scree eee ce ee eees IT. 18 12 || Loboptera annulicornis .......... I. 24 54 californica, g ............ JI, 20 12 || Nyctobora azteca .............. IV. 34 56
* TIschnoptera whlert on the Plate.
+ Anisopygia jocosiclunis on the Plate.
Vili
LIST OF PLATES.
Plate. Fig. Page Plate Fig Page Nyctobora (Heminyctobora) truncata IV. 33 56 || Choeradodis servillel ............ IX. 1,2 126 Megaloblatta rufipes .........--- Vv. 15-17 57 | Acontista mexicana, var. inquinata. VI. 10 136 Epilampra crassa .. 1.2.6... 00e- IV. 37 62 | -—— , var. quadrimaculata VI. 8 136 [ fallax]... 0... cee eee eee IV. 36 64 VitTea.. ee ee eee eee VI. 9 138 CONSPETSA 1... eee eee eee IV. 38 64 || Stagmomantis heterogamia ...... VII. 2,3 142 Calolampra brevitarsis .........- IV. 39 67 fraterna .. 2... ce eee ee eee TX. 7,8 144 bispinosa ......... eee eee III. 26 67 || —— maya ....... cc cece eee ee IX, 5, 6 145 Rhicnoda reflexa..........2+00.- IV. 35 68 | —— ccoerulans ..........00005: IX. 9 145 Eurycotis quadri-squamata ...... LV. 40 71 || —— venusta .......... cece eae VII. 4,5 145 Pelmatosilpha villana............ IV. 41, 42 72 || —— montana .........e.ee eee IX. 4 146 (Chorisoneura anomala].......... Il. 23, 24 80 androgyna . beeen eee ee eees VII. 1] 147 flavipenNis........ eee eee II. 21 81 | Melliera atopogamia ............ VII. 7,8 148 teeniata ..... eee ee eee II, 22 82 || Phasmomantis championi ........ VIl. 6 149 [Hemipterota punctipes] ........ Il. 25 83 | Litaneutria ocularist............ VIII 3 154 Plectoptera picta ...........005 IIT. 9 85 | Angela perpulchra .............. VIII. 1 158 pulicaria 2... eee eee eee If. 8 86 || Pseudomiopteryx infuscata ...... IX. 10-12 | 163 circumdata ........ seen, IIL. 10 86 || [Musonia major] .............. X. 17-19 | 165 mc ee ee IV. 17 86 femorata ........ cee eee X. 20,21 | 166 [Hypnorna * blanda]............ IT. 17-19 87 || Mionyx rapax$ ............008- X. 22-25 | 157 —— (Calhypnorna) pulchella IIT. 16 87 fers .... cece cece eee ee X. 15,16 | 167 ( )aMoena ...... eens III. 14,15 88 SEOVUB.. ee eee ee eee eee eee X. 12-14 | 167 Panchlora latipennis ............ V. 2 99 | dohrnianus .............- 1X. 16 168 tolteca .... eee ee eee eee VI. 11 99 | Oligonyx mexicanus ............ IX. 13-15 | 172 cribrosa ........00000- V. 1 99 || bollianus ........0ee eee: IX, 17 173 Achroblatta luteola ............ VI. 12 100 |: striolatus .........0e00- ee IX. 18-22 | 178 Capucina cucullatat ............ VI. 13 103 | —— punetulatus .............. IX. 23-25 | 174 Homoeogamia azteca .......-.... Vv. 4,5 106 |, tessellatus ........00.. 000 IX. 26-31 | 174 [ bolliana] .......-.0. 05 Vv. 3 107 | Harpagonyx gryps............6. VIII. 4 176 apacha ...... cee ee eee eee Ii. 20 107 | Spanionyx bidens .............. XxX. 1-3 177 Holocompsa collaris ............ ITI. 34 109 || Thrinaconyx fumosus............ X. 4-10 179 ZAPOLECA eee eee ee eee Til. 33 109 | kirschianus|.............. XX, 11 179 tolteca .... cee eee eee ‘ III, 35 109 || Acanthops godmani ............ VI. 3 181 binotata....... cee eee eee III. 32 J10 | Phyllomantis laurifolia .......... VI. 6,7 183 Latindia dohrniana.............. V. 7 111 | Stagmatoptera septentrionalis VIII. 2 186 cucullata .. 6... eee eee eee V. 9 111 || Theoclytes maya || .............. X. 33 192 [ INCA]... cece eee eee eee Vv. 8 111 | [ spinicollis} ...-........04 VI. 2 193 delicatula .........00eeeee Vv. 10 112 | Vates paraensis ................ Vi. 1 195 (Paralatindia peruviana] ........ V. 11-14 | 114 beet ee eee ee eee ee X. 28,29 | 195 [ mancella]........eeseeee Vv. 6 114 pectinata 2... .. cece eee VI. 4,5 196 [Archimandrita deplanata}] ...... Vv. 18 116 |) —— —— oo. cee ce cee ee X. 380-32 | 196 Blabera trapezoidea ...........- V. 26-31 | 118 || [Hagiotata hofmanni4]].......... VIII. 5 197 [ TufescenS].... 6. eee eee wees V. 22 119 G [ scutata] .... cece eee eee Vv. 24 119 RYLLIDE. thoracica .....- cee eee eee Vv. 25 120 || Tridactylus apicalis ............ XI, 7 204 immacula] .............. V. 23 120 InCertuS....... eee eee XI. 6 206 [Hemiblabera manca] .......... Vv. 20 122 (Heteropus) histrionicus .. XI. 1-5 207 — grantlata ...... eee eee eee Vv. 21 122 || [Rhipiptervx forceps} .......... XI. 23 «|: 210 Cacoblatta scabra ............5. V. 19 122 | [ brullei]........ 0. e 0 ee eee XI. 21 211 if cyanipennis] ............ XI. 22 211 rivularia]............00.0. XI, 20 212 Mantipz. a mosiane. Sete ee eee eens XI. 8-19 | 213 Mantoida maya ......+-.eeeeees X. 26,27 | 125 | -— pulicaria ................ XI. 24 215 Cheeradodis rhombicollis ........ IX. 3 126 | Nemobius neomexicanus** ....,, XI. 25 293
* Hypnorma on the Plate.
+ Capucinus cucullatus on the Plate.
t Lithaneutria ocularis on the Plate.
§ Musonia rapax on the Plate.
|| Theoclytes chlorophea, var., on the Plate. {| Theoclytes hofmanni on the Plate.
** Nemobius denticulatus on the Plate.
LIST OF PLATES. 1X Plate. Fig. Page. Plate Fig. Page Gryllus assimilis................ XI. 26 226 | Glaphyrosoma mexicanum ...... XIV. 17,18 | 296 Gryllodes toltecus .............. XI. 27,28 | 229 || Phoberopus championi .......... XIV. 20-22 | 298 forcipatus .......... ..... XI. 29-34 | 229 | Ceuthophilus aztecus$ .......... XIV. 23 300 Ectatoderus aztecus ............ XI. 35,36 | 230 | Hemiudeopsylla forreriana ...... XV. 1 302 Liphoplus mexicanus ............ Xi. 37 231 | Argyrtes mexicana.............. XV. 2,3 303 Cyrtoxiphus macilentus .......... XI. 45 235 | Gryllacris abluta .............. XV. 4-7 | 307 aztecus ............ 0.0 eee XI. 38, 39 | 235 | picta; Qo. eee ee eee XV. 8 307 tibialis ...............04. XI. 40 236 cyclops, 9.2... eee eee eee ee XV. 9 308 —— championi................ XL. 41 236 | Hormilia tolteca................ XV. 10-13 | 319 olmecus..............0005 XI. 42,43 | 286 prasind, GS .. ise eee eae XV. 14 319 toltecus .............2005- XI. 44 237 || Ectemna mexicana, ¢ .........5 XV. 28,29 | 324 Thamnoscirtus montanus ........ XIII. 36 240 | Chloroscirtus forceps ............ XY. 24-27 | 327 Prosthacustes mexicanus ........ XII. 1 241 | (Scudderia laticauda]............ XV. 15 330 Paragryllus temulentus .......... XII. 2-7 242 | [ texensis| .............04. XV. 18,19 | 330 KEctecous cantans .............. XI. 8-10 | 244 | [—— furcata] ................ XV. 16,17 | 331 Amusus mexicanus ............ XII. 11-13 | 245 furculata ................ XV. 21 331 Amphiacustes toltecus .......... XII. 14-17 | 247 curvicauda............0005 XV. 20 331 aztecUS .......... 0. eee XII. 18 248 forcipata .............. | XY. 22,23 | 332 phalangium .............. XII. 19 249 || Phrixa hoegei................5- XVI. 1 334 Endacustes aztecus.............. XII. 20-22 | 250 Maya, So we. e ee eee eee ee XVI. 2 335 Arachnomimus cavicola* ........ XII. 23 251 || Amblycorypha guatemala, ¢ XVI. 3 336 (Ecanthus varicornis ............ XII. 24,25 | 254 huasteca ...........0006- XVI. 4 337 [Phyllogryllus pipilans, fg] ...... XIII. 1 258 || Paragenies mexicana, Q.......... XVI. 6 338 Diatrypus toltecus,@ .......... XIII. 5 259 os XVI. 6a 338 jJansoni, d............-.4, XIII. 4 259 ovata, Qo... eee eee eee XVI. 5 339 championi, ¢ ............ XIII. 2,3 260 || [Anaulacomera angustifolia] ..... ‘ XVI. 7-10 | 341 apithoides, Q ............ XITI. 6 260 || [ erinifolia]............00-- XVI. 11,12 | 342 Pareecanthus sulcatus .......... XIIt. 12,13 | 263 recticauda, Q ..........-. XVI. 13 343 olmecus, Q .............. XIII. | 16,17 | 264 laticauda, 9 .............. XVI. 14 343 tibialis, 9.1.6... eee XITL. 14,15 | 264 denticauda, Q ............ XVI. 15,16 | 345 podagrosus................ XIII. 7-11 | 264 || Ctenophlebia azteca ............ XVI. 17-19 | 346 Apithes aztecus, d.............. XIII. 21 268 | Hyperphrona trimaculata ........ “XVI. 20-24 | 350 montanus ................ XIII. 18-20 | 268 | Phylloptera pisifolia, ¢..........] XVI. 25-27 | 352 Orocharis gaumeri, ¢ .......... XIII. 26 273 dimidiata, 9.............. XVI. 28 353 maxillaris ................ XIII. 27 273 || Turpilia oblongoculata, g........| XVL 29 354 [ amusus] .............00. XIII. 28 274 || Microcentrum lanceolatum, 2 .. XVIt. 1,2 359 tibialis .................. XIII. 25 274 | -——championi, ¢ .-.......... XVI. 30 360 C cayennensis}.............. XITI. 23, 24 | 275 laurifolium, Q ............ XVII 3-5 361 gryllodes ................ XIII. 22 275 —-retinervVe ............00-. XVII 6-8 361 Orochirus corrugatus, ¢ ........ XIII. 29,30 | 279 colosseum, d..... cece eee XVII 9,10 | 362 Aphonus flavifrons, ¢ .......... XIIf. 31,32 | 281 | otomium, ¢ ..........--5- XVII. 11,12 | 363 Heterocous auditor.............. XIII. 33, 34 | 283, aztecum, Go... ee eee eee XVII 13 363 smithianus...........,.... XIII. 35 284 || [Lobophyllus legumen, 9] ...... XVIII 12-15 | 364 Petaloptera zendala, 9 .......... XVII 16-18 365 | Syntechna tarasca .............. XVII 14,15 | 366 Locustip. | Stilpnochlora tolteca, Q........0. XVII 19,20 | 368 Stenopelmatus talpa ............ XIV. 1-3 288 azteca, Qo... eee ee ee eee XVIT 21-23 | 369 [ hydrocephalus] .......... XIV. 4 290 || Peucestes coronatus, 2 .......... XVIII 1 370 histrio ............ 00008. XIV. 5 290 latipennis, 9 .............. XVIII 2 371 Jeti 6... eee eee eee eee ee XIV. | 6,7 | 291 dentatus .............04. XVIII 3-5 371 cee eee ween e eens XIV. 8, 9 291 championi................| XVIII 6-9 371 eee eee e ee nes XIV. 10,11 | 291 | Podisippus validus, 9 ..........| XVIII 10,11 | 373 Schcenobates mexicanus.......... XIV. 12-15 | 293 | Copiophora cultricornis .......... XIX. 33, 34 77 saltator ...............00. XIV 16 294 AC 2 XIX. 1 379 Glaphyrosoma aztecum .......... XIV 19 296 | [ cephalotes] .............. XIX. 2 380
* Arachnopsts cavicola on the Plate.
+ Ceutophilus aztecus on the Plate.
BIOL. CENTR.-AMER., Orthopt., Vol. I., Aprad 1900.
b
x LIST OF PLATES. Plate | Fig. Page. | Plate. Fig. Page. | | | i Lirometopum coronatum ........ XIX. 3 380 || Idiarthron subquadratum ........ XX, 22,23 | 426 Eriolus mexicanus ............-.. XIX. 4,5 383 || Bliastes teniatifrons ............ XX, 25 429 consobrinus .............. XIX 6, 7 384 atrifrons .............4.. XX. 24 429 falcatus ...........0.- 000: XIX 8 384 || Cocconotus sagittatus............ XX. 29 433 acutipennis ............4- XIX 9,10 | 384 globosus...............04. XX. 26-28 | 4384 [Basileus diadematus] .......... XIX, 11,12 | 385 || Thamnobates subfaleata.......... XX. 30-82 | 437 Pyrgocorypha sallei ............ XIX 15,16 | 386 | Nannotettix marginatus...... XXI. 1 437 TOMCTSi .. 12... eee ee eee XIX 13, 14 | 387 || Ischnomela gracilis ............ XXI. 2 438 imerMis .......2 ec eee eee XIX. 17 387 || Euacris pictipennis.............. XXI. 3-8 441 [Conocephalus irroratus] ........ XIX. 18-20 | 390 | Scopiorus nigridens ............ XXI. v-12 | 442 MEXICANUS ..........-.000- XIX 21 390 mucronatus .............. XXI. 15 443 tristaMl .. 2.1... eee ee eee XIX 22 391 carinulatus .............. XXI. 14 443 nietOl... 2... eee eee ee eee XIX 23, 24 | 893 lancifolius ................ XXI. 13 444 laticeps .... 6... ..0 0. eee XIX. 25 394 || Caloxiphus championi*.......... XXL. 16,17 | 445 Xiphidium resinum ............ XIX. 26,27 | 398 || Diophanes perspicillatus ........ XXI. 18 446 saltator ...........--200-- XIX. 28 399 rosescens ..........-.--.- XXI. 19,20 | 447 Thysdrus virens ................ XIX 29 401 | f. TEX] 2. cece eee ee eee ee XXI. 21-23 | 447 infirmus...............00: XIX 30-32 | 402 | Lophaspis scabriuscula .......... XXI. 24 448 Championica montana . ........ XX. 1 405 || Tanusia hoegei ................ XXIT 1 450 Acanthodis cristulata.... ....... XX. 2,3 407 ochracea .............00. XXII 2 450° Platyphyllum toltecum .......... XX. 33-35 | 412 || Celidophylla albimacula.......... XXII 3-5 451 [ consanguineum| .......... XX. 36,37 | 412 || Mimetica mortuifolia............ XXII 7 452 Gongrocnemis fissa.............. XX. 4 417 brunneri ...........-.... XXII 8 453 accola oe... eee ee XX, 5 418 | [ subintegra] .............. XXII 9 453 ——— MUtICA 1... eee eee ee XX. 6 419 marmorata................ XXII 10,11 | 453 brevicauda.........-...... XX. 7 420 aridifolia ................ XXII 12,13 | 454 Anchiptolis mexicana, 2 ........ XX. 8-LO | 421 siccifolia ..........00.05. XXII 14-16 | 454 gaumeri............00005. XX. 11 422 || (Typophyllum flavifolium]........ XXIT 6 455 [ peruviana] ......... XX. 12 423 || [Chlorophylla amplifolia] ........ XXII 17 456 Idiarthron incurvum ............ XX. 138-15 | 425 | [ fagifolia] ................ XXIT 18 456 furcatum ................ XX. 16-19 | 425 | [ arcuata] ...........0008. XXII 19 456 atrispinum ............-. XX. 20,21 | 426 | [Cycloptera carinifolia] .......... XXII 20 457
* Calloxiphus championi on the Plate.
BIOLOGIA CENTRALI-AMERICANA.
ZOOLOGIA.
Class INSECTA.
Order OR THOPTERA. Suborder DERMAPTERA*. Fam. FORFICULIDA.
DIPLATYS. Diplatys, Serville, Ann. Sc. Nat. xxii. p. 33 (1831).
La description du genre Diplatys par Serville renfermant plusieurs inexactitudes, il est nécessaire d’en donner ici une nouvelle :—
Caput depressum, latum, postice angustatum, fronte tumidula, oculis valde prominentibus, Antenne saltem 15-articulate: art. 1° sat longo, subconico, apice crasso; 2° cylindrico, brevi, dimidiam partem latitudinis primi equante; 8° dimidium longitudinis primi paullo superante; 4° tertii tertiam partem attingente, subspherico; 5° obconico, dimidio primi haud longiore; 6° obconico, tertio equali; ceteris obconicis, sensim crescentibus. Pronotum capite angustius, fere semicirculare, latitudine propria haud vel vix longius, antice in collum brevissimum protractum, postice rotundatum et leviter attenuatum. Scutellum parvum. Elytra pronoto duplo longiora, postice recte truncata. Alarum squame circiter dimidiam partem longitudinis elytri attingentes, anguste, parte externa coriacea, parte suturali basali triangulari membranacea. Pedes sat longi, graciles; tarsorum articulo 1° secundum tertiumque simul sumpta longitudine equante; 2° cylindrico, parvo, primi latitudinem squante, apice leviter bifido; 3° primo parum breviore sed graciliore. Abdomen.—g¢ usque ad segmentum octavum cylindricum, sat gracile ; segmentis: 8° apice tantum, 9° toto sat inflatis, sed potius dilatatis ; ultimo segmento dorsali rectangulari, fere duplo latiore quam longiore, apice sinuato. Plicis 2! 3ique segmentorum apud feeminam quam apud marem distinctioribus. Segmento penultimo ventrali maximo, quadrato, ultimum totum tegente, margine postico Jeviter sinuato, dimidia parte antica convexa, dimidia parte postica triangulum depla- natum formante.— @ haud cyJindricum, latius quam in dg, sat convexum; lateribus fere parallelis usque ad ultimum segmentum dorsale postice attenuatum. Penultimo ventrali segmento maximo, multo longiore quam latiore, toto convexo, dimidia parte antica fere quadrata, dimidia parte posteriori ovato-producta ; ultimi segmenti ventralis medio leviter excisi latera postica in formam ovalium lobulorum apparent.— Forcipis crura: ¢ depressa, triquetra, basi breviter dilatata, contiguaque, dehinc ovato-curvata attenuata, apicibus contiguis ; margine interno inermi.— 9 basi ipsa contigua, dehinc vix distantia, subplana, inermia, fere recta, apicibus tantum curvatis rursus contiguis. Corpus totum pubescens.
Le pénultiéme segment ventral est en réalité, chez les deux sexes, trés grand, aussi
* By A. pe Bormans. BIOL. CENTR.-AMER., Orthopt., August 1893. Bb
D) ORTHOPTERA.
long et méme plus long que large. Serville, au contraire, le dit: étroit, transversal. Cette contradiction peut s’expliquer ainsi: Serville a fondé son genre Diplatys sur un seul exemplaire (male puisque son abdomen était presque cylindrique), en assez mauvais état pour qu'il fit difficile d’en reconnaitre le sexe. Or, le sexe se reconnait sans erreur possible, chez les Dermaptéres, par le nombre des segments abdominaux apparents, comptés d’abord en dessus, puis en dessous. I] est donc évident que, chez Yindividu examiné par Serville, les segments abdominaux étaient en partie détruits, mutilés, peut-étre recollés en sens inverse, et que l’auteur a été trompé par rapport a la forme réelle du pénultiéme segment ventral.
Le type de Diplatys macracephala n’existe plus, mais heureusement la figure donnée par Palisot de Beauvois est parfaitement reconnaissable et concorde absolument avec plusieurs exemplaires intacts de cette espéce (venant de Benin et du Congo) d’aprés lesquels j’établis cette nouvelle description du genre Diplatys.
1. Diplatys jansoni. (Tab. I. figg. 1, ¢; 2, 2.) Cylindrogaster Jansoni, Kirby, Journ. Linn. Soc., Zool. xxiii. p. 507 (1891)". Hab. Guatémata, Las Mercedes, Panzos (Champion); Nicaragua, Chontales 1 (Janson) ; Panama, Bugaba (Champion). [3 2.]
L’espéce que j’ai sous les yeux est évidemment celle décrite par Mr. Kirby, car elle correspond exactement 4 la description de cet auteur; de plus, parmi les nombreux exemplaires en question, quelques-uns portent l’étiquette: “Chontales, Nicaragua (Janson).” Or, tous ces exemplaires ont, aux 2° et 3° segments de l’abdomen, des plis — | tuberculiformes bien distincts; tous leurs autres caractéres, du reste, les rangent dans — le genre Diplatys redécrit ci-dessus. Mr. Kirby n’a décrit que le male; la femelle ne différe que par les caractéres génériques.
2. Diplatys severa, sp.n. (Tab. I. fig. 3, 3.)
3. Longit. corp. 7°50 millim. ; forcip. 1:25 millim.
Caput nigrum, ut in D. jansoni constructum ; antennis 15-articulatis, testaceis. Pronotum nigrum, limbo tenui semicirculari pallido marginatum. Elytra nigra, viridi-zeneo obscuro velutino splendore micantia, versus ad quartam partem anticam fascia albido-flava transversa ornata. Als albew, apice nigro. Elytra aleeque albo-setulosa. Pedes fusci, genubus fusco-testaceis. Abdomen totum nigrum ; forceps pallide testacea.
Hab. Panama, Volcan de Chiriqui 2500! (Champion).
Malgré les différences de taille et de coloration, cette espéce n’est, peut-étre, qu’une variété de la précédente ; je ne puis résoudre cette question, n’ayant vu qu'un exemplaire de D. severa.
ECHINOPSALIS, gen. nov.
Corpus modice convexum ; pronoto, elytris, alarum squamis, interdum abdomine toto, setis brevibus, rigidis, presertim ad latera hirtis. Caput sat convexum, que latum ac longum; antenne plus 22-articulate : art. 1° parum longo, crasso, obconico; 2° exiguo, cylindrico; 3° primi longitudinem squante, sed
ECHINOPSALIS.—PYRAGRA. 3
angustiore; 4°-8° globulosis, secundo parum longioribus; reliquis obconicis, sensim crescentibus, sed semper parvis et vix angustioribus. Pronotum capiti longitudine equale, latius quam longius, fere quadratum, angulis preesertim posticis rotundatis. Elytra lateribus rectis; alarumque squame perfectz. Pedes breves, femoribus crassis, tibiis tarsisque gracilibus; tarsorum articulo 1° tertii longitudinem eequante, sed illo crassiore, 2° brevissimo, cylindrico, apice leviter bifida. Abdomen: 9 lateribus fere parallelis; ultimo dorsali segmento subrectangulari, latiore quam longiore; penultimo ventrali segmento multo latiore quam longiore, dimidia parte basali obtuse triangulari, apice ovato-producto; ultimi segmenti medio longitudinaliter fissi fere dimidia parte patente. Forcipis crura subcontigua, sat brevia, crassa, triquetra, subrecta, apice ipso curvato, ut in genere Psalz constructa. (Mares ignoti.)
Ce genre nouveau, dont je n’ai vu que deux femelles, une du Nicaragua, l’autre du Pérou, est tout voisin du genre Pyragra; il s’en distingue par: la téte plus bombée et plus étroite; le pronotum non rétréci antérieurement, plus court, moins arrondi; les pattes plus courtes, sans pelotes visibles entre les griffes, et la forme de la pince.
Il différe du genre Echinosoma par la forme de tout abdomen, du dernier segment dorsal, du pénultiéme segment ventral, et de la pince.
En résumé, les insectes de ce genre ont la moitié antérieure du corps—téte, pronotum, élytres, ailes et pattes—du genre Hchinosoma, et la moitié postérieure—abdomen et pince—du genre Psalis.
(Nous nous sommes assuré, il est presque inutile de le dire, que nos exemplaires ne sont point artificiels, c'est 4 dire dus 4 la réunion maladroite de deux moitiés d’insectes | divers. Ce cas ne se présente que trop fréquemment lorsque des amateurs inexpéri- mentés veulent réparer les ruptures causées par les chocs dans de longs voyages.)
1. Echinopsalis guttata, sp. n. (Tab. I. fig. 4, 2.)
Longit. corp. 14 millim. ; forcip. 3 millim.
9. Caput nigrum, clypeo testaceo; antenne saltem 22-articulate, fusce, art. 2° et 3° testaceis exceptis. Pronotum nigro-fuscum, lateribus et parte postica late albo-flavo marginatis. lytra nigro-fusca, macula magna triangulari albo-flava longitudinaliter a basi usque ad medium ornata. Alarum media pars interna fusco-nigra, media pars externa flava. Femorum pars media basalis fusco-nigra, pars apicalis albo-testacea ; tibiee tarsique albo-testacei. Caput, pronotum, elytra, ale, pedesque pilis fuscis hirsuta. Abdomen fere glabrum, castaneum, ultimo dorsali segmento fere quadrato. Forcipis crura ut in genere Psalz formata, ineequalia (dextro longiore), castanea, robusta, margine interno denticulato.
Hab. Nicaragua, Chontales (Janson).
PYRAGRA.
Pyragra, Serville, Ann. Sc. Nat. xxii. p. 34 (1831). Thermastris, Dohrn, Stett. ent. Zeit. xxiv. p. 61 (1863).
1. Pyragra saussurei. Pygidierana Saussurei, Dohrn, Stett. ent. Zeit. xxiii. p. 225, t. 1. fig. 2 (1862)’.
Hab. Mexiquz, Cordova (Saussure !), Atoyac (Schumann); Honpuras’ BritanniQugE, R. Sarstoon (Blancaneaux); Guatimata, Zapote, Capetillo (Champion), Vera Paz -(Conradt); Costa Rica, Caché (Rogers). [3 2.]
Bb 2
4 ORTHOPTERA.
2. Pyragra chontalia. Thermastris chontalia, Scudder, Proc. Bost. Soc. Nat. Hist. xviii. p. 258 (1876) ’.
Hab. Guarémaa, Chiacam en Vera Paz (Champion); Nicaraaua, Chontales}.
[Sexe ? (individu privé de pinces). |
| PSALIS. Psalis, Serville, Ann. Sc. Nat. xxii. p. 34 (1831).
1. Psalis americana. . Forficula americana, Palisot de Beauvois, Ins. Afr. et Amér. p. 165, Orth. t. 14. fig. 1 ‘asi7)°. Labidura americana, Dohrn, Stett. ent. Zeit. xxiv. p. 319 (1868) °*. Hab. Nicaragua, Chontales (Janson); Costa Rica”. [ 9 .|—CotomBie?; VENEZUELA? ; ANTILLES, Cuba ?, San Domingo 1, Haiti ?.
2. Psalis gagatina. (Tab. I. figg. 5, 3; 6, 2.) Forficula (Psalis) gagathina (Klug, MS.), Burm. Handbuch der Ent. ii. p. 753 (1838) °. Labidura gagatina, Dohrn, Stett. ent. Zeit. xxiv. p. 320 (1868) °*.
Hab. Panama, Bugaba (Champion). [¢ 2 .|—ANTILLES, Porto Rico ! 2.
3. Psalis thoracica. (Tab. I. fig. 7, 2.) Forficesila thoracica, Serville, Orthoptéres, p. 22 (1839) ’.
Hab. Panama, Bugaba 800 4 1500’ (Champion). [ 2 .]—Gutann, Cayenne |.
CARCINOPHORA.
Carcinophora, Scudder, Entom. Notes, v. p. 31 (1876); Proc. Bost. Soc. Nat. Hist. xviii. p. 291 (1875-1876).
Ce genre, trés éloigné du genre Chelidura, Latreille, par le nombre et la forme des articles antennaires et la construction du 2° article tarsal, est au contraire compris entre les genres Psalis et Anisolabis ; il différe presque uniquement du 1' par l’absence d’ailes, et du 2° par l’existence d’élytres bien formées.
1. Carcinophora robusta.
Chelidura robusta, Scudder, Proc. Bost. Soc. Nat. Hist. xii. p. 344 (1869)*; Entom. Notes, ii. p- 29 (1869) *.
Psalis colombiana, de Bormans, Eitude sur quelques Forficulaires, Ann. Soc. Ent. Belg. xxvii. p. 61, t. 2. figg. 2, 2a, 25 (1888) °.
Hab. Costa Rica, Caché (Rogers). [ ¢.]—Cotompie?; Equateur, entre Quito et Napo!?. |
ANISOLABIS.—SPARATTA. 3)
ANISOLABIS. Anisolabis, Fieber, Lotos, iii. p. 257 (1853). -
1. Anisolabis janeirensis. (Tab. I. figg. 8, 3; 9, 2.) Forcinella janeirensis, Dohrn, Stett. ent. Zeit. xxv. p. 285 (1864) *.
. fab. Nicaragua, Chontales (Janson). [¢ 2 .]—Brésin, Rio Janeiro 1.
2. Anisolabis annulipes. Forficesila annulipes, Lucas, Ann. Soc. Ent. Fr., Bull. p. Ixxxiv (1847) °. Forficula (Labidura) annulipes, Fisch. Orthopt. Eur. p. 69, t. 6. figg. 6, a-c (1853) *.
Hab. Muxiqun, Valle del Maiz (Dr. Palmer) ; Nicaraaua, Chontales (Janson). [ 3 2.] —EUROPE MERIDIONALE ?,
8. Anisolabis azteca. Forcinella azteca, Dohrn, Stett. ent. Zeit. xxiii. p. 226 (1862) *, et xxv. p. 291 (1864) ?.
Hab. MExiquE (Saussure '), Monclova en Coahuila et San Luis Potosi (Dr. Palmer). [¢ 2.]
Ne différe pas beaucoup de l’espéce précédente.
4, Anisolabis antoni. (‘Tab. I. fig. 10, ¢.) Forcinella antoni, Dohrn, Stett. ent. Zeit. xxv. p. 289 (1864) ’.
Hab. Mexique, San Luis Potosi (Dr. Palmer); Guatimaua, Capetillo (Champion); Nicaragua, Chontales (Janson). [ 2 .]|—VENEZUELA |.
5. Anisolabis maritima. Forficula maritima (Bonelli, MS.), Gené, Monogr. Forf. p. 9 (1832) ’. Forficula (Labidura) maritima, Fisch. Orthopt. Europ. p. 68, t. 6. figg. 4, 4a-d (1853) *.
Hab. Nicaragua, Chontales (Janson); Costa Rica, Caché (Rogers); Panama, Volcan de Chiriqui 2500 4 4000’ (Champion). [ 3 2 .]—EUROPE MERIDIONALE},
SPARATTA. Sparatta, Serville, Orthoptéres, p. 51 (1839).
1. Sparatta nigrina., (Tab. I. figg.11, ¢; 12, 2.) Sparatta nigrina, Stal, Ofv. Vet.-Akad. Forh. xii. p. 350 (1855)?; Dohrn, Stett. ent. Zeit. xxvi. p- 70 (1865) *. ; Hab. Guatimata, Chinautla (Salvin), Volcan de Fuego 6400’, Sabo en Vera Paz (Champion) ; Nicaragua, Chontales (Janson). [ ¢ ?.|—Br&stt, Rio Janeiro !2.
6 ORTHOPTERA.
2. Sparatta schotti. (Tab. I. fig. 14, 2.) Sparatta schotti, Dohrn, Stett. ent. Zeit. xxvi. p. 69 (1865) *.
Hab. Mxxiqur, Montagnes d’Alvarez (Dr. Palmer). [ ? .|—Brésiu'.
3. Sparatta pelvimetra, var. rufina. (Tab. I. fig. 13, ¢.) Sparatta pelvimetra, Serville, Orthoptéres, p. 52 (1839) *.
Sparatta rufina, Stal, Ofv. Vet.-Akad. Férh. xii. p. 350 (1855) ?; Dohrn, Stett. ent. Zeit. xxvi. p. 69 (1865) *.
Hab. Guatimana, Coban en Vera Paz (Conradt). [6 .]—Brisiu1, Rio Janeiro ??.
Cette variété ne se distingue du type que par le pronotum noir, tandis qu’il est fauve chez l’espéce typique.
4, Sparatta plana,
Forficula (Apachys ?) plana (Illiger, MS.), Burm. Handb. der Ent. ii. p. 752 (1838) °. Sparatia plana, Dohrn, Stett. ent. Zeit. xxvi. p. 69 (1865) °*.
Forficula gracilis, Blanchard, Voy. d’Orbigny dans l’Amér. mérid. vi. 2, p. 214, t. 26. fig. 2 (1837-43) °.
Hab. Nicaragua, Chontales (Janson); Costa Rica, Caché (Rogers). [3 2.J|— CoLoMBIE ; AMAZONES, Para! 2; Botivig 2.
LABIA. Labia, Leach, Edinb. Encycl. ix. p. 118 (1815).
1. Labia bilineata. (Tab. I. figg. 15, ¢; 16, 2.) Labia bilineata, Scudder, Proc. Bost. Soc. Nat. Hist. xii. p. 345 (1869) *.
Hab. Panama, Bugaba 800 4 1500' (Champion). | 6 9 .|—Eguarevr, entre Quito et Napo 1.
2. Labia chalybea. (Tab. I. fig. 17, 2.) Labia chalybea, Dohrn, Stett. ent. Zeit. xxv. p. 429 (1864)'.
Hab. Costa Rica, Volcan de Irazu 6000 4 7000’, Caché (Rogers); Panama, Bugaba (Champion). | 9 .|—VENEZUELA}.
& Labia arcuata. (Tab. I. figg. 18, 20, ¢; 19, 2.) Labia arcuata, Scudder, Proc. Bost. Soc. Nat. Hist. xvili. p. 257 (1876) *. Hab. Mexiqun, Orizaba (H. H. Smith), Teapa en Tabasco (H. H. Smith: variété, 2,
& thorax jaune); Guarimata, Coban en Vera Paz (Conradt); Nicaracua, Chontales (Janson). [3 .|—Brésiu 1.
LABIA.—SPONGOPHORA. 7
4. Labia rotundata. | | Labia rotundata, Scudder, Proc. Bost. Soc. Nat. Hist. xviii. p. 263 (1876); de Bormans, Ann. Soc. Ent. Belg. xxvii. p. 75, t. 2. figg. 18, 18 a—-c’. | Hab. Mexque!2; Guarémaa, environs de la ville (Champion), Aceytuno 5100’, Duefias 4950! (Salvin). [3 2.]
5. Labia championi, sp. n. (Tab. I. fig. 21, 3.)
3. Long. corp. 4:5 millim.; forcip. 1 millim.
Nitida, glabra. Caput fuscum, clypeo flavo; antenne saltem 10-articulate, fusce, art. 10° excepto pallido ; pronotum trapezoidale, sicut ac caput longum latumque, pallide flavum ; elytra castanea; ale castanex basi flavo-guttatz ; pedes pallide flavi; abdomen castaneum, lateribus fere parallelis, ultimo segmento dorsali transverso, rectangulari; pygidium latum, transversum, rectangulare, apice semicirculariter emarginatum: [—. Forcipis crura castanea, inermia, inter se remota, parum curvata, apicibus parum distantibus, ut in L. minore 3 constructa.
Hab. Panama, Bugaba (Champion).
Cette espéce a tout-a-fait la forme générale de LZ. minor.
SPONGOPHORA.
Spongophora, Serville, Ann. Sc. Nat. xxii. p. 831 (Spongiphora) (1881). Psalidophora, Serville, Orthoptéres, p. 29 (1839).
1. Spongophora parallela. Forficula parallela (Westw., nec Fabr.), Guérin, Mag. Zool. 1837, t. 178°. Forficesila longissima, Wood, Ins. Abroad, p. 279, fig. 189 (1874) >. Hab. Mexique}, Presidio de Mazatlan en Sinaloa, Ciudad en Durango (forrer), Cordova (Hége); Guatimata, El Tumbador, Zapote (Champion); Nicaragua, Chontales (Janson?); PanaMa, Bugaba, Volcan de Chiriqui 2000 a 3000' (Champion).
[3 2 nymphs. |
2. Spongophora brunneipennis. (Tab. II. figg. 1,3, ¢; 2, 2.) Psalidophora brunneipennis, Serville, Orthopt. p. 80 (1839) *; Dohrn, Stett. ent. Zeit. xxv. p. 418 (1864) *. Hab. AM#RIQUE SEPTENTRIONALE, Pennsylvanie ! *, Virginie ?.—MExIQUE, Ventanas en Durango (Forrer), Orizaba (H. H. Smith et F. D. G.); GuaTimata, Cerro Zunil 4000’, Capetillo (Champion). [6 2.]
3. Spongophora pygmeza. (Tab. II. figg. 4, 5, 2.) Psalidophora pygmea, Dohrn, Stett. ent. Zeit. xxv. p. 421 (1864) °. Hab. Nicaracua, Chontales (Janson); Panama, Bugaba 800 a 1500’ (Champion). [¢ 9.|—Brésit, Rio Janeiro 1.
8 ORTHOPTERA.
4. Spongophora rogersi, sp.n. (Tab. Il. fig. 6, 3.) -
3d. Longit. corp. 8 millim.; forcip. 2°50 millim.
Nitida, glabra. Caput nigro-fuscum, ore, antennis 15-articulatis dilutius fuscis. Pronotum trapezoidale, dilute fuscum, marginibus lateralibus angustis testaceis. Elytra fusca. Ale fusce, macula semicirculari pallide flava in media parte basali ornate. Femora fusco-testacea, tibie tarsique testacei, articulo 1° tarsorum tertio paullo longiore. Abdomen dilute castaneum ; pygidium fusco-fulvum, longum (0°65 mill.), in forma lingue apice vix attenuate productum, apice triangulo exciso: \- Forcipis crura fusco-fulva, inter se remota, robusta, triquetra, a basi -ad medium fere recta, margine externo basali depresso fere excavato, margine interno pygidium includente emarginato ; tum dente interno parvo bicuspide armata, dehine rotundata, graciliora, sat extus arcuata, usque ad parvum internum dentem ad tres quartas partes longitudinis sitam, deinde paullo crassiora, mucronibus contiguis.
Hab. Costa Rica, Caché (Rogers).
Cette nouvelle espéce se distingue de toutes les autres par la forme du pygidium et de la pince.
NEOLOBOPHORA. Neolobophora, Scudder, Proc. Bost. Soc. Nat. Hist. xvii. p. 281 (1875).
Ce genre n’a aucune trace d’écusson au sommet des élytres; il est tout voisin du genre Opisthocosmia, Dohrn, dont il différe presque uniquement par l’absence d’ailes.
1. Neolobophora ruficeps. (Tab. II. figg. 7, ¢; 8, 2.) Forficula ruficeps, Burm. Handb. der Ent. ii. p. 755 (1838) >. Apterygida ruficeps, Dohrn, Stett. ent. Zeit. xxii. p. 231 (1862) *, et xxvi. p. 88 (1865) *. Neolobophora volsella, Scudder, Proc. Bost. Soc. Nat. Hist. xviii. p. 257 (1876) *.
Hab. Mexiqun!, Ventanas, Ciudad en Durango (Forrer), Orizaba (Sumichrast 4), Cordova (Saussure 2), Atoyac en Vera Cruz (Schumann), Omilteme et Amula en Guerrero (H. H. Smith) ; Guatimata, Coban en Vera Paz (Conradt) ; Costa Rica, Caché, R. Sucio (Rogers). [3 2 larves. |
2. Neolobophora bogotensis. (Tab. II. fig. 9, 2.) Neolobophora bogetensis, Scudder, Proc. Bost. Soc. Nat. Hist. xvii. p. 282 (1879) *; Ent. Notes, iv. p. 36 (1875) ?. Hab. Costa Rica, Volcan de Irazu 6000 a 7000' (Rogers); Panama, Volcan de Chiriqui 2500 & 4000’ (Champion). [ 2 .]—CotomBiz, Bogota } ?.
Ne diflére pas beaucoup de l’espéce précédente.
OPISTHOCOSMIA. Opisthocosmia, Dohrn, Stett. ent. Zeit. xxvi. p. 76 (1865).
1. Opisthocosmia americana, sp.n. (Tab. I. figg. 22, 23, .) .
3 Q. Longit. corp. 9 millim.; ¢ forcip. 6 millim., ? 5 millim. Caput opacum, nigrum, pentagonale, eque longum ac latum, sat planum, disco excepto tumidulo, suturis
OPISTHOCOSMIA.—ANCISTROGASTER. 9
circumvallato, margine postico subrecto; oculis nigris, prominentibus; antennis saltem 10-articulatis, articulis 1° et 2° fuscis, 3° et 4° albo-flavis, ceteris fuscescentibus. Pronotum nitidum, nigrum, marginibus lateralibus albidis, capite angustius, longius quam latius, rectangulare, margine postico leviter rotun- dato. LElytra pronoto plus duplo longiora et latiora, sat tumidula, rubro-testacea, margine postico recto. Ale dimidio elytri haud longiores, fuscee, puncto flavido medio elytro contiguo, alteroque minuto apice interno ornate. Femora tibieque testacea (interdum genubus infuscatis), pilis tenuibus et pallidiesimis hirsuta; tarsi fusci, art. 1°, 2° 3°que simul sumptis paullo longiore, 3° dimidio primi vix breviore. Abdomen: ¢ rubro-castaneum, postice dilutius, glabrum, vix dilatatum, sed potius inflatum, segmentum ultimum versus; plicis 2i 3ique segmentorum nigris, fere spiniformibus ; ultimo segmento dorsali trape- zoidali, postice angustiore necnon valde declivo, margine postico tumidulo cum puncto medio impresso, angulis lateralibus valde productis.— ? latius, postice dilatatum, sed haud inflatum.—Pygidium, ¢ ?, superne haud prominens, subtus ut globulum in medio segmenti penultimi ventralis in V fissi apparens. Forcipis crura rubro-castanea.— g inter se remota, intus summa basi dilatata, tum ovato-curvata, leviter deflexa, in hujus ovalis medio valde compressa, deinde horizontalia (interdum reflexa), approximata, fere recta, necnon in formam angustz lamine dilatata; mucronibus acutis longe ante apicem decussatis ; margine interno toto denticulato, in medio dente triangulari armato ; versus tertiam partem basalem valida trian- gularis spina sursum erecta surgit.— 9 testacea, postice infuscata, vix basi inter se distantia, deinde contigua, margine externo pilis pallidis tenuissimis sat longis hirsuto, margine interno toto tenuiter crenulato.
Hab. MeExiquz, Teapa en Tabasco (H. H. Smith). [3 .|—Havuras Amazons.
J’ai pu décrire Ja femelle d’aprés un exemplaire de ma collection, provenant ainsi qu’un male du Haut-Amazone.
ANCISTROGASTER. Ancistrogaster, Stal, Ofv. Vet.-Akad. Férh. p. 349 (1855) ; Scudder, Ent. Notes, v. p. 28 (1876).
1. Ancistrogaster luctuosus. Ancistrogaster luctuosus, Stal, Ofv. Vet.-Akad. Forh. xii. p. 8349 (1855); Eug. Resa, Zool., Ins. p. 306, t. 5. fig. 1 (1858)*, Hab. Guatimaa, Las Mercedes 3000’, Cerro Zunil 4000 4 5000’, Volcan de Atitlan 2500 a 3500’ (Champion); Panama, Volcan de Chiriqui 2500 4 4000' (Champion). [2 .] —Brésit, Rio Janeiro ! 2.
2. Ancistrogaster spinax. Ancistrogaster spinax, Dohrn, Stett. ent. Zeit. xxiii. p. 229, t. 1. figg. 1, 16 862)".
Hab. Muxiqux (Saussure +), Orizaba (H. H. Smith et F. D. G.); Guarimaa, Coban en Vera Paz (Conradt). [2.]
3. Ancistrogaster variegatus, (Tab. II. fig. 10, ¢ .) Opisthocosmia variegata, Dohrn, Stett. ent. Zeit. xxvi. p. 78 (1865) *. Forficula appendiculata ?, Charp. MS. [ef. Gerst. Bericht Ent. p. 90 (1855)]*. . Hab. Nicaracua, Chontales (Janson); Panama, Bugaba (Champion). | ? .|—AME- RIQUE MERIDIONALE 2, Venezuela }. BIOL. CENTR.-AMER., Orthopt., September 1893. ce
10 OO ORTHOPTERA.
4. Ancistrogaster toltecus. (Tab. Il. figg. 11,4; 12,9.) Forficula tolteca, Scudder, Proc. Bost. Soc. Nat. Hist. xviii. p. 261 (1876) *.
Hab, Muxiqvue (Sumichrast 1), Orizaba (H. H. Smith et F. D. G.), Atoyac en Vera Cruz (Schumann); Guatfimata, Coban en Vera Paz (Conradt). [3 2.]
5. Ancistrogaster championi, sp. n. (Tab. II. fig. 13, ¢.)
¢. Longit. corp. 12 millim.; forcip. 7-7 millim.
Glaber, nitidulus. Caput antenneque (articuli 6 supersunt) nigra. Pronotum ut caput latum longumque, postice rotundatum, fuscum, marginibus lateralibus obscure testaceis. Elytra castanea, pronoto duplo longiora, lateraliter haud rotundata, sed angulo recto plicata. Ale fusce; basi, macula flava media ovali, apice, puncto minuto flavo ornate. Abdomen castaneum, a basi usque ad medium valde dilatatum, a medio ad ultimum segmentum attenuatum. Segmentorum 2', 3', 4', 5', 6!, 7! lateribus posticis plica spiniformi consueta productis (he plice potius verticales latitudinem abdominis haud superant). Ultimum segmentum dorsale transversum, brevissimum, medio excavatum; margine postico sinuato, supra forcipis radices tuberculo magno rotundato, ad angulum externum plica magna obliqua cristeformi instructum. Forcipis crura castanea, robusta, cylindrico-triquetra, tota distantia, basi ipsa intus spinis cylindricis consuetis magnis, ad medium dente acuto magno, ad duas tertias partes longitudinis dente minore internis armata, a basi arcuata reflexaque, deinde usque ad secundum dentem fere parallela et. parum deflexa, dehine intus angulo-curvata, fere recta usque ad apices contiguos typice bimucronatos unciformesque.
Hab. Panama, Volcan de Chiriqui 2500 4 4000' (Champion).
6. Ancistrogaster impennis, sp.n. (Tab. II. figg. 14,3; 15,2.)
Long. corp. ¢ 2 11°50 millim.; forcip. g¢ 6:25 millim., 9 4°25 millim.
Glaber, parum nitidus. Caput fusco-nigrum, antennis 12-articulatis fuscis. Pronotum ut caput latum, lati- tudine parum longius, rectangulare, margine postico rotundato, fuscum, marginibus lateralibus palli- dioribus. Elytra fusca ut pronotum longa, vixque latiora, postice oblique intus truncata. Ale nulle. Pedes sordide testacei. Abdomen fusco-castaneum.— ¢ a basi ad medium valde dilatatum, a medio ad ultimum segmentum attenuatum. Segmentorum 4i, 5', 6!, 7' lateribus posticis in angulos falciformes consuetos, sed depressos et parum abdominis latitudinem superantes, extus productis ; segmentum quartum solum pliea spiniformi ut in specie precedente instructum. Ultimum dorsale segmentum duplo latius quam longius, lateribus valde emarginatis, margine postico ovato, tumidulum, linea media longitudinali impressa, supra forcipis radices tuberculo rotundato sat magno, angulis posticis extus triangulo haud acuto productis.— 9 a basi ad medium dilatatum, a medio ad apicem attenuatum. Ultimum dorsale segmentum parvum, transversum, fere ovale, tumidulum, impressione longitudinali media.—Forcipis crura fusco-castanea.— g robusta, presertim basi, tota distantia, ovato-curvata, apicibus typicis contiguis, pars ovalis medio compressa, apicem versus crassior ; basi ipsa intus spinis cylindricis consuetis armata, deinde margine interno irregulariter tenuiterque denticulata.— ? longa, tota contigua, sat gracilia, apice ipso decussata.
Hab. MeExique, Xucumanailan en Guerrero 7000! (HT. H. Smith).
FORFICULA. Forficula, Linné, Syst. Nat. ed. x. 1, p. 423 (1758).
Ce genre ne comprend plus aujourd’hui que les espéces chez lesquelles les branches des pinces du male sont contigues ou presque contigues, assez déprimées, et denticulées a la base, puis recourbées. C'est le groupe no. 3 de M. Dohrn (genre Forficula).
FORFICULA.—SPHINGOLABIS. 11
1. Forficula lugubris. Forficula lugubris, Dohrn, Stett. ent. Zeit. xxiv. p. 280 (1862) *; de Bormans, Ann. Soc. Ent. Belg. XXvil. p. 87, t. 2. figg. 21, 21 a-b (1883) *. Hab. Mexiqur?, Ventanas et Ciudad en Durango (Forrer), Orizaba (H. H. Smith et F. D. G.), Cordova (Saussure), Omilteme, Tepetlapa, et Chilpancingo en Guerrero, Cuernavaca en Morelos, Teapa en Tabasco (H. H. Smith), Valladolid en Yucatan
(Gaumer); Guatémata, Vera Paz (Conradt). [3 9.]
2. Forficula (?) smithi, sp.n. (Tab. II. fig. 16, ¢.)
36. Longit. corp. 9°75 millim.; forcip. 4°50 millim.
Glabra, parum nitida. Caput nigrum, tumidulum; antennis fuscis saltem 11-articulatis : articulo 1° longis- simo, cylindro-conico; 2° cylindrico, brevissimo ; 3° cylindro-conico, quintum cylindricum squante; 4° obconico duas tertias partes quinti vix attingente ; ceteris fere cylindricis sensim crescentibus. Pronotum fuscum, marginibus lateralibus obscure testaceis, ut caput latum, fere quadratum, postice leviter rotun- datum. Elytra aleque forma typica; elytra fusca, pronoto plus duplo longiora, sed paullo latiora. Ale breves, ovato-triangulares, nigra. Pedes obscure testacei, postici solito longiores (ut in genere Aneistro- gastri). Abdomen obscure castaneum, antice, a basi angusta usque ad segmentum penultimum, ovato- dilatatum, ultimum dorsale segmentum trapezoidale, margine postico angustiore, leviter sinuato, angulis lateralibus leviter acute productis, puncto medio impresso. Penultimo segmento ventrali typico, postice pilis fulvis densis hirsuto; pygidium parvum, globulosum, nigrum. Forcipis crura obscure castanea, robusta, triquetro-cylindrica, basi ipsa intus fortiter dilatata, tantum a pygidio separata, tum mox atte- nuata, divergentia, ovate extus curvata, ad duas tertias partes longitudinis dente minuto intus armata, mucronibus approximatis sed non contiguis. (Hee forceps ut in Forficula smyrnensi, Serv., constructa est.)
Hab. Mextqur, Cuernavaca en Morelos (H. H. Smith).
L’habitus de cette insecte, la longueur relative des articles antennaires et des pattes postérieures, rapprochent cette espéce des Ancistrogaster; Yabsence d’épines ou plis spiniformes aux segments de l’abdomen, et la structure de la pince, l’éloignent de ce genre. I] faudrait pour fixer sa position avoir plus d’un exemplaire sous les yeux.
SPHINGOLABIS.
Sphingolabis, de Bormans, Ann. Soc. Ent. Belg. xxvii., Tableau Syn. des genres des Forficulaires, no. 25 (1883). La diagnose du tableau synoptique cité ci-dessus doit étre ainsi rectifiée et complétée:—
Forcipis crura in g basi remota, plerumque subteretia ; elytra semper perfecte explicata, ale explicate vel deficientes. Omnibus aliis notis charactericis cum genere Forficula hoc genus congruit. Femine omnino speciebus Forficularum similes.
Lorsque j’ai établi ce genre, je rangeais (bien qu’d regret), d’aprés l’autorité de Herr Brunner de Wattenwyl, les Forficula: albipennis, Meg., et arachidis, Yersin, dans le genre Chelidura, Latr.; mais Y’examen de diverses espéces exotiques: teniata, Dohrn, californica, Dohrn, etc., m’a montré qu’on ne pouvait séparer génériquement ces derniéres des F, albipennis, etc. Ila donc fallu créer au moins un genre nouveau (deux, en admettant le genre Apterygida, Westwood, mais tous les auteurs ont supprimé
ce dernier, sauf Mr. Kirby dans son ouvrage récent: 1891). ce 2
12 _ ORTHOPTERA.
Ce genre Sphingolabis répond au 1 groupe des Forficula de M. Dohrn: Pinces du male écartées 4 la base, cylindriques, assez uniformément courbées en dedans jusqu’a leur pointe. (Cependant la 8. furcifera, de Borm., a les branches de la pince aplaties, quoique bien écartées 4 la base.)
La caractéristique de ce genre a le trés grand défaut de s’appliquer aux males seuls; il est impossible de savoir si une femelle regue séparément est une Forjicula ou une Sphingolabis.
1. Sphingolabis teniata. (Tab. II. figg. 17,19, ¢; 18, 2.) Forficula teniata, Dohrn, Stett. ent. Zeit. xxiii. p. 230 (1862) *.
Hab. Merxiqus, Sonora septentrionale (Morrison), Monclova en Coahuila, San Luis Potosi (Dr. Palmer), Presidio de Mazatlan en Sinaloa, Ciudad et Ventanas en Durango (Forrer), Mirador (Saussure '), Orizaba (H. H. Smith et F. D. G.), Jalapa (M. Trujillo), Atoyac en Vera Cruz, Omilteme, Chilpancingo, et Amula en Guerrero, Cuernavaca en Morelos, Teapa en Tabasco (H. H. Smith), Oaxaca (Brunner 1), Valladolid en Yucatan (Gaumer); GuaTimata, Zapote, Capetillo (Champion), Coban en Vera Paz (Conradt) ; Nicaragua, Chontales (Janson); Costa Rica (Van Patten); Panama, Bugaba, Volcan de Chiriqui (Champion). [3 9 .|—AMERIQUE MERIDIONALE.
Cette espéce est en outre répandue dans presque toute 1’Amérique du Sud.
2. Sphingolabis californica, (Tab. II. fig. 20, ¢.) Forficula californica, Dohrn, Stett. ent. Zeit. xxvi. p. 85 (1865) ’.
Hab. AM@RIQUE SEPTENTRIONALE, California 1—MeExiquz, Sonora septentrionale (Morrison), Teapa en Tabasco (H. H. Smith). [3 2.]
3. Sphingolabis arachidis. Forficula arachidis, Yersin, Ann. Soc. Ent. Fr. (3) vin. p. 509, t. 10. figg. 83-35 (1860) +. Forficula wallacei, Dohrn, Stett. ent. Zeit. xxvi. p. 88 (1865)7. Forficula (Apterygida) gravidula, Gerst. Arch. f. Naturg. xxxv. 1, p. 221 (1869) °; Glied.-Fauna Sans. p. 50, t. 3. fig. 9 (1873) *. Hab. MeExique, Teapa en Tabasco (H. H. Smith). [ 2 .]|—AFRIQUE ORIENTALE, Mom- bas ?; NOUVELLE GUINEE 2.
Cette espéce est presque cosmopolite et amenée par les vaisseaux chargés d’arachides etc. dans toutes les contrées, méme en Europe.
J’ai examiné au Musée de Genéve les types de Yersin, et le savant M. Dohrn a eu la bonté de me communiquer le type de F. wallacei ; quant 4 F. gravidula, Gerst., elle est facilement reconnaissable d’aprés la description et la figure.
BLATTIDA. 18
Suborder ORTHOPTERA GENUINA *
Fam, BLATTIDE jf.
For the classification of this family we have followed in a general way the excellent work of Herr Brunner von Wattenwyl, ‘Nouveau Systéme des Blattaires,’ and his ‘Revision du Systéme des Orthoptéres,’ in which he has introduced some modifications of his former system. Nevertheless, we have been obliged to give here a Conspectus of the tribes and genera, as it was necessary to introduce several modifications in the method of the author, particularly in regard to the American Blattide and to the disposition of the new genera.
Many species are very vagrant, finding their way into habitations, storehouses, merchandise, and ships, and are thus readily transported from one country to another. Some are quite cosmopolitan, and this has induced us to enumerate a number of species inhabiting the Antilles and South America which may possibly be found in Central America; others we have mentioned to avoid confusion with allied species of the central parts of America; the names of these are placed within square brackets.
Nomenclature of the Elytra and Wings t.
Exyrra: 1. Campi. (Tas. IV. fig. 13.)—c, campus marginalis ; d, campus discoidalis ; a, campus analis ; b, area basalis (campi marginalis).
2. Vene. (Tab. IV. figg. 1, 16; Tab. V. figg. 9, 14.)—n, vena mediastina; d, vena discoidalis; ¢, vene costales; m, vena media; m’,m", ejus rami; w, vena ulnaris; s, sulcus analis ; 6, vena diagonalis (adventiva).
Aum: 1. Campi. (Tab. IV. fig. 18; Tab. V. fig. 15.)—A, campus anterior ; I, R, campus posterior ;
* By Dr. Henry px Saussure and Dr. Leo ZEnNtNEr.
+ Principal works referred to for this family :— C. Brunner pe Wartrenwvy1, ‘ Nouveau Systéme des Blattaires.’ Vienne, 1865. H. pz Saussure, ‘Mémoires pour servir 4 l’Histoire Naturelle du Mexique, des Antilles, etc.’ III° mémoire, Blattides. Genéve, 1864. H. ve Saussure, ‘Mélanges Orthoptérologiques,’ Genéve; tome i., ler fascicule (1863), 2° fascic. (1869), tome ii., 4° fascic. (1872). H. pe Saussure, ‘ Mission scientifique au Mexique et dans l’Amérique centrale, ouvrage publié par ordre du Ministére de l’Instruction publique. Recherches Zoologiques, publiées sous la direction de M. Milne-Edwards:’ Orthoptéres. Paris, 1870. C. Sraz, “Recherches sur le Systéme des Blattaires.” (Bihang till k. Svenska Vet.-Akad. Handlingar, vol. ii. No. 18. Stockholm, 1874.) C. Brunner pr Warrenw'yt, ‘ Revision du Systéme des Orthoptéres.—Description des espéces rapportées par L. Fea.’ Genova, 1893. + See also H. de Saussure, ‘ Prodromus (Edipodiorum’ (Genéve, 1884), pp. 18 et seq.
14 ORTHOPTERA.
I, campus intermedius vel axillaris; R, campus radiatus; 2, campus intercalatus; , campus appendi- cularis. (Tab. IV. fig. 10.) Campus anterior per venam discoidalem in campum marginalem et campum discoidalem dividitur. 2. Vene. (Tab. IV. figg. 5, 6, 8, 18, 23.)—A, v. humeralis; d, v. discoidalis; c, ven costales; m, v. media; wu, v. ulnaris anterior; wu’, v. ulnaris posterior; a, v. analis vel dividens: «, v. axillaris; r, vene radiate. . 3. Aree. (Tab. IV. fig 7.}+—s, area medio-discoidalis ; ¢, area ulnaris.
Conspectus tribuum.
1. Femora subtus spinosa, saltem intermedia et posteriora. 2. Ultimum segmentum ventrale ¢ planum, apice haud compresso-rostratum.
3. Lamina supra-analis ? ¢ brevissima, transversa, vel modice producta, latior quam longior, haud prominula. Alz quando condite explicate, apice campo membra- naceo intercalato trigonali, vel campo appendiculari, in requiete replicatis, instructz. Femora postica et intermedia subtus in margine antico spinis 2 armata. Ulti- mum segmentum ventrale ? nonnunquam rotundato-compressum, ac fissum.— ANAPLECTINE,
33. Lamina supra-analis ¢ ¢ plus minus producta. Ale campo apicali replicato nullo. Femora postica et intermedia in utroque margine spinosa. 4, Lamina supra-analis ? triangularis, integra vel incisa, cerci illam valde super- antes. 5. Pronotum et elytra glabra. Tarsi pulvillis destituti. Alarum vena media ramos paucos ad apicem emittens. Campus marginalis venulis costalibus parallelis In vena discoidali pectinatis, obsitus— Batting.
55. Pronotum et elytra sericeo-velutina. Tarsi pulvillis instructis. Ale in longitu- dinem multiramose, campo marginali irregulariter in longitudinem venoso. —Nycroporina.
44, Lamina supra-analis plus minus incisa, prominula, rotundata vel bilobata, vel haud prominula, transverse quadrata, vel trapezino-rotundata, angulis obtusis. Cerci breviusculi, laminam supra-analem haud vel parum superantes. Tarsi pulvillis distinctis instructi. Alarum vena ulnaris ramos parallelos numerosos ad venam dividentem emittens.
5. Pronotum in alatis postice arcuatum.—EPILAMPRINA. 55. Pronotum postice truncatum, scutellum liberans.—Naupheta ex parte. 22. Ultimum segmentum ventrale 9 transverse divisum, ejus pars postica compresso-rostrata, fissa, bivalvis. Cerci et pulvilli tarsorum variabiles —PERIPLANETINA 11, Femora, saltem intermedia et posteriora, subtus inermia, rare parum spinosa. 2. Femora omnia subtus inermia.
3. Ale apice campo intercalato trigonali vel appendiculari, in requiete replicato, instructe, vel campo anteriore apice acuminato; campo posteriore amplo, illum amplectens, ramos numerosos in tota longitudine emittens. Lamina supra-analis transversa, vel trigonalis, vel rotundata.—PLectoPrEeRInz&.
33. Ale normales, campo apicali replicato nullo, campo anteriore apice rotundato vel truncato. |
BLATTIDZ. | 15
4, Alarum campus analis in requiete flabellatim plicatus. Pronotum et elytra glabra ; arolia inter ungues normalia. 5. Lamina supra-analis bilobata vel quadrata, plus minus emarginata ; abdominis segmentorum anguli producti.imPancHLOoRINaz.
55. Lamina supra-analis ¢ rotundata. Segmenta dorsalia abdominis margine postico transverso, angulis haud productis. Lamina infra-genitalis $ stylis mox nullis, mox 2 instructa *,—PERISPH ZRINE.
44, Alarum campus posterior haud plicatus vel uniplicatus, sub campo anteriore plane reversus. Pronotum et elytra plus minus pilosa vel fimbriata. Arolia inter ungues minuta vel nulla.—Corypina.
22. Femora anteriora subtus incrmia vel spinis parum numerosis armata. 3. Arolia inter ungues perspicua.—Rhicnoda, Br. (ex parte). 33. Arolia inter ungues nulla. Species magna parte grandes. 4, Lamina supra-analis ? ¢ plus minus quadrata, incisa. Elytra quando condite explicata, marginem abdominis valde superantia. Cerci variabiles.—BLaBeRIna.
44, Lamina supra-analis 9 $ transversa, rotundata, integra. Elytra abbreviata (vel nulla), vel angusta, in requiete abdominis margines liberantia. Cerci brevissimi. —PANESTHINE.
Tribus ANAPLECTIN& ft.
Ectobide, Brunner de Wattenwyl, Syst. Blatt. p. 52. Ectobites, Saussure, Miss. Scient. Mex., Orthopt. p. 11.
Synopsis generum.
1. Elytra coriacea. Alz perfecte explicate. 2, Alarum campus replicatus parvus, triangularis, membranaceus, intercalatus. 3. Elytra coriacea, acuminata, vena longitudinali unica, venis reliquis obliquis in vena longitudinali pectinatis—Ecrosra, auct. 33. Elytra subcoriacea, apice rotundata, venis longitudinalibus mediis 2, venis campi dis- coidalis longitudinalibus vel parum obliquis.—THaEcanorTeryx, Br. 29. Alarum campus replicatus magnus, rotundatus, in apice ale articulatus, semicoriaceus, in longitudinem plica divisus ; vena ulnari indivisa.—Anaptecta, Br. 11. Elytra cornea, abdominis longitudine vel squamiformia. Ale rudimentarie vel nulle.— APHLEBIA, Br.
ECTOBIA, Westw. et auct.
1. Ectobia lapponica, Linn. et auct.
Species vulgaris in toto orbi diffusa.
* In most species we find 2 styli, which are sometimes a little unequal. Rarely we find only 1, but in these cases the other is certainly broken off, the point of insertion being easily seen. A few species seem to have no styli, or if present they are very small and difficult to make out.
+ Vide infra, observations 1 and 2, under the Tribe Plectopterine.
16 ORTHOPTERA.
[2. Ectobia livida, Fabr. et auct. This European species has been found in South America, and will most probably overrun the whole of the New World. ]
THEGANOPTERYX, Brunn.
Theganopteryx, Brunner de W. Syst. Blatt. p. 53; Saussure, Mélang. Orthopt. i. 2° fasc. p. 49. Pseudectobia, Saussure, ibid. pp. 49, 54.
The genera Theganopteryx and Pseudectobia are connected by so many transitional forms, that they may be treated as one *.
Elytra venis longitudinalibus saltem 2: vena media longitudinalis, a vena discoidali distincta; campi discoi- dalis venee numerose, longitudinales vel oblique pectinate.
Synopsis specierum.
1, Alarum vena ulnaris haud ramosa, indivisa vel furcata.—THEGaNnorrEeRyx, Br., Sss. a. Pronotum posterius arcuatum, scutellum obtegens. Pronotum castaneum.—l. fallax, Sss. aa, Pronotum posterius subrectum, scutellum liberans. Pronotum flavo-marginatum.— [2. pilosella, sp. n.] 11. Alarum vena ulnaris ramosa (Tab. IV. fig. 18). Pronotum postice subrectum, scutellum liberans.—PsEuDECTOBIA, Sss. a. Pronotum utrinque testaceum. LElytra elongata. b. Pronoti discus castaneus. Elytrorum campi discoidalis vene oblique subpectinatze. —3. subpectinata, sp. n. bb. Pronoti discus castaneus, luteo-picturatus; vel testaceus, fusco-punctatus. Elytrorum campi discoidalis vene longitudinales.—[4. antiguensis, sp. n.] aa. Pronotum totum fusco-nigrum. Elytra brevia, campi discoidalis venz oblique subpecti- natze.—[5. intermedia, sp. n.]
1, Theganopteryx fallax, Sauss. Theganopteryx fallax, Saussure, Mélang. Orthopt. i. 2° fasc. p. 53. 4 (3) (1869).
3. Minuta, atra, nitida; ocellis flavis. Pronotum circumcirca flavo-marginatum, margine posteriore leviter arcuato. Elytra ferruginea, apice subacuminata, margine costali luteo ; campi discoidalis vene longitudi- nales 5-6, alterisque spuriis intercalatis. Alz ample ac breves, fusco-nebulose, margine costali infuscato ; venis costalibus longe leviter incrassatis; vena ulnari curvata, indivisa ; vena axillari 3-ramosa. Area triangularis apicis minuta, campum anteriorem vix superans. Coxe luteo-marginate; spine pedum ferrugines. Abdomen anguste luteo-marginatum ; lamina supra-analis late trigonalis, apice rotundata.
Long. 7; elytr. 7°5, pronot. 2°5, latit. pronot. 3 millim.
Hab. Mexico.
* Erratum.—Apud Saussure, Mél. Orth. 1. ¢., the line “‘bord postérieur du prothorax arqué, recouvrant l’écusson” belongs to @. Theganopterysx, not to P. Pseudectobra.
THEGANOPTERYX. 17
[2. Theganopteryx pilosella, sp. n.
Gracillima, fusco-rufa. Antenne fusce, ultra medium annulo albido (art. 6). Caput fusco-castaneum, ore pallido, vertice rufescente. Pronotum corneum, trapezinum, fusco-castaneum, margine anteriore et posteriore subarcuatis; lateralibus deflexis. Scutellum nigrum, a pronoto haud obtectum. Elytra elon- gata, angusta, fusco-ferruginea, basi infuscata ; margine costali subsinuato ; campo discoidali venis longi- tudinalibus 6, quadrato-reticulato ; campo anali corneo, subreticulato-punctato. Pronotum et elytra griseo-pilosa. Ale subhyalinw, fusco-rufo nebulose ac venose, area apicali trigonali sat magna. Vene costales 8 haud incrassate ; venz disci recte# ; vena ulnaris ante medium furcata, apice reconciliata, basi ramulum incompletum posteriorem emittens; vena axillaris apice bis furcata. Pedes graciles, pallide testacei; coxis basi fuscis ; spinis et tibiarum apice fusco-ferrugineis, (Sexus ?)
Long. 12; elytr. 10-4, pronot. 2, latit. pronot. 2°9 millim.
Hab. CEextraL PERv, Tarma.
This species is remarkable on account of its very slender form and its pubescent pro- notum and elytra. TZ. pilosella much resembles Ischnoptera inca, but differs from it in the colour of the antennz, the pronotum being almost without impressions, the pubes- cent elytra not having false intercalated veins, and also in the neuration of the wings. |
3. Theganopteryx (Pseudectobia) subpectinata, sp. n. (Tab. IV. fig. 18.)
d. Gracilis, piceo-testacea. Caput castaneum, vertice convexo, ore testaceo. Pronotum transverse ellipticum, pellucenti-testaceum, disco toto et margine postico castaneis, hoc vix arcuato, sulcis disci profunde im- pressis. Elytra angusta, elongata, apice rotundata, rufo-castanea, parum opaca; margine costali decolore. Venez longitudinales medie 2 parallele: vena discoidalis ramos costales rectos longiusculos emittens vena media ramos obliquos 7-8 ad marginem suturalem emittens. Campus discoidalis quadrato-reticu- latus; areis inter ramos per venas spurias divisis ; campus analis apice rotundatus ; vena analis vix sinuata, ad 3°" partem marginis suturalis desinens vel ante illam. Ale leviter infuscatw, inter venas lineis pallidis. Venze costales apice nodose ; vena ulnaris ramos 4 ad marginem apicalem emittens. Area tri- gonalis apicis minima. Pedes testacei, femoribus et tibiis supra linea brunnea marginata. Femora anteriora ut in typo Platamode spinulosa *, Abdomen plus minus testaceum. Lamina supra-analis com- plete transversa, brevissima. Cerci longiusculi, fusci. Lamina infra-genitalis rotundata, stylis 2 brevis- simis.
Long. 7°75; elytr. 9, pronot. 1:6, latit. pronot. 2°8 millim,
Hab. GuateMaa, Capetillo (Champion; 2 ).
(4. Theganopteryx (Pseudectobia) antiguensis, sp. n.
2. Testacea; caput fusco-marmoratum, vertice maculis 2—3 fuscis. Antenne testacex, apice fusce. Pro- notum ellipticum, testaceum, disco et margine postico fuscis, testaceo-punctato et amecene picturato, im- pressionibus discoidalibus obsoletis. Elytra elongata, testacea, leviter rufo-fusco-umbrata ; vena humerali basi et vena anali fuscis. Campus discoidalis in longitudinem 4-venosus, quadrato-reticulatus, in parte obtecta elytri dextri fusco-reticulatus ; areis in elytro sinistro per venas spurias nullas divisis. Venule transverse campi marginalis et discoidalis in medio interrupte. Campus analis piriformis, subacutus, venis axillaribus 4 ultra 3° partem marginis suturalis attingens. Ale leviter nebulose, venis fuscis, venulis costalibus 6 apice ovato-nodosis ; venze media et ulnaris leviter arcuate, bine furcate ; campus replicatus apicis sat minutus. Pedes ad spinas fusco-punctati. Cerci testacei, basi, articulo antepenultimo et apice fuscis. Lamina supra-analis transversa, in medio compressa. Lamina infra-genitalis parabolica, apice anguste rotundata, utrinque subsinuata, in medio conico-convexa. .
9. Long. 7°3; elytr. 8, pronot. 1-8, latit. pronot. 3 millim.
* Comp. infra, under the Tribe Blattine, p. 30, BIOL. CENTR.-AMER., Orthopt., September 1893. pd
18 _ YORTHOPTERA.
Var. Caput et pronotum testacea, minute fusco-punctata. Als nebulosew, venis fuscis; campo anteriore et intermedio fusco-reticulatis ; vena media indivisa, vena ulnari biramosa. Cerci testacei, basi et apice fusci. (Cuba.)
Hab. Antiuies, Cuba, Antigua. |
[5. Theganopteryx (Pseudectobia) intermedia, sp. n.
©. Crassiuscula, fusco-nigra. Caput sat prominulum, ocellis nullis; vertex inter oculos latiusculus. Pro- notum corneum, leviter bi-impressum, marginibus lateralibus deflexis, arcuatis. Elytra cornea, fusco- nigra, parum elongata, abdomen tamen superantia, margine costali arcuato ; campus discoidalis oblique pectinato-venosus, elevato reticulatus ; campus analis fere ad dimidium marginem suturalem attingens, sulco anali vix sinuato. Als breves ac ample, fusce, margine anteriore et apicali obscurioribus; apice inter campos sinuato; area intercalata apicali minima; venule costales 11, fere tota longitudine vix incrassate; ven media et ulnaris arcuate, hec apice bis furcata vel biramosa. Campus intermedius venulis transversis vix ullis. Pedes picei, spinis testaceis. Abdomen?
Long. cum elytris 10; elytr. 7:3, pronot. 2°2, latit. pronot. 3 millim.
Hab. Central Perv, Tarma.
_ Of the same colour as Theganopteryx fallax, but very different in the neuration of its wings. TZ. intermedia might, at first sight, be referred to the genus Blatta, owing to the rudimentary triangular reflexed field of the wings; but the style of venation is more that of Theganopteryx, and the femora have only a few spines, as in the Anaplectine. |
ANAPLECTA, Burm.
Anaplecta, Burmeister, Saussure, Brunner de W.
Insecta gracilia vel crassiuscula. Pronotum ellipticum, minutum vel mediocre. Elytra abdomen superantia, valde coriacea, sulco anali profundo, campo anali acuto. Vena discoidalis recta, indivisa ; vene campi discoidalis pauce, longitudinales. In speciebus crassis elytra venis longitudinalibus tantum 2, parallelis ; venis campi discoidalis obliquis sed haud pectinatis. Ale campo appendiculari parabolico instructe. Femora parum spinosa ; anteriora in margine posteriore longe pilosa, reliqua spinis 2: 2 armata.—Ultimum segmentum ventrale 2 frequenter apice compressum ac fissum. Lamina supra-analis ? transversa, saltem haud producta. Cerci longiusculi.
Synopsis specierum.
I.
a. Species testacez, saltem elytris testaceis vel fusco-umbratis. b. Graciles; pronoto minuto ; elytris elongatis, abdomen valde superantibus, apice attenuatis. (Tab. IV. fig. 1.) Insecta in requiete itaque postice attenuata. c. Elytra tota testacea. d. Fascia obliqua fusca discoidali ad venam analem.—1. mexicana, Sss. dd. Omnino testacea.—[2. peruviana, sp. n.] cc. Elytra campo anali fusco. d, Pronoti disco flavido.—4. tolteca, Sss. dd. Pronoti disco fusco-bivittato.—3. nahua, Sss. . bb, Crassiores ; elytris abdomen vix vel parum superantibus. (Tab. IV. fig. 16.) Insecta in requiete elliptica.
ANAPLEOTA. | 19°:
se. Minores, modice crasse, parum convex. d. Minutz, tote fulvo-rufo-testaces. Elytra venis discoidalibus crassiusculis, venulis costalibus normalibus, rectis. ‘ e. Elytra apice rotundata, venis costalibus numerosis, confertis. Vena media ramos 3emittens. Ale hyaline, campo appendiculari rotundato.—14. domestica, sp. n. ee. Elytra acuminata, margine suturali recto, costali valde arcuato, campo marginali lato, venis costalibus remotis, reticulatis. Vena media furcata; campo anali frequenter fusco. Ale apice infuscate, campo appendiculari acute parabolico. —[15. alaris, sp. n.] dd. Minus parva. Elytra venis subtilibus, venulis costalibus baseos longissimis, confer- tissimis, arcuatis, flabellatis. (Tab. IV. fig. 13.) Fulvo-testacea, vel pronoto et elytris fusco umbratis.—21. flabellata, sp. n. cc. Major, crassa, valde convexa, tota fulvo-testacea. Elytra venis longitudinalibus tantum 2 subtilibus ; campo discoidali oblique venoso.—19. fulgida, Sss.
au. Species castanee. . 6. Elytrorum vene campi discoidalis, ut solitum, crassiuscule, longitudinales. c. Pronoti margines laterales hyalino- vel testaceo-pellucentes. d. Elytra elongata, apice rotundata, late hyalino-marginata ; lamina supra-analis tri- gonalis.—[5. moa, Sss.] dd. Elytra abdomen parum superantia. Insecta in requiete elliptica, anguste albido- vel testaceo-limbata. e. Majores, alis infuscatis.
f. Elytra testaceo-marginata, apice ad marginem suturalem acuminata, venis costalibus et discoidalibus paucis, gracilioribus. Alarum campus appen- dicularis sat grandis, basi subrectus.—17. elliptica, sp. un.
ff. Elytra basi albido-marginata. Ale campo appendiculari minuto.
g. Major. Alz nigre, campo appendiculari obtuso, basi angulato. Lamina supra-analis ¢ trigonalis, fissa.—18. dohrntana, sp. n. gg. Minor. Ale pallide infuscate, campo appendiculani parabolico, basi transverso. Lamina supra-analis transversa, arcuata.—8. azteca, Sss. ee. Minutz, elytrorum margo plerumque tota longitudine albido. Ale hyaline vel nebulosz. f. Paulo majores. g. Alarum campus appendicularis sat minutus. h. Elytra apice rotundato, testaceo. Ale subhyaline. i. Major. Elytra abdomen superantia ; alz illis longiores.—9, fallaz, Sss.* ii. Minor. Elytra abdomen haud superantia; ale minute.—13. parvipennis, sp. D. . hh. Elytra ad marginem suturalem subacuminata, valde reticulata. (Tab. IV. fig. 11.) Alze nebulosz, campo appendiculari parabolico, —16. decipiens, sp. 0. .
* A, lateralis, Brunner (from South America), seems very close to A. fallax, but has more pointed elytra and wings (vide p. 30). Dd 2
20: ORTHOPTERA.
gg. Ale hyaline, campo appendiculari longiore quam latiore; elytra apice rotundato.—12. albomarginata, sp. 0. ff. Minime; alis hyalinis, campo appendiculari longissimo. Elytra margine costali testaceo. g. Alarum campus appendicularis relique ale sensim brevior.—[10. replicata, sp. n.| gg. Alarum campus appendicularis relique ale sensim equilongus.—([11. grandipennis, sp. n.| ec. Pronotum totum fusco-opacum. Elytra angusta, subacuminata, venis campi discoidalis longitudinalibus crassiusculis, 4-5. d. Media; ale nebulose, campo appendiculari minore, vix 3° partem longitudinis ale equali.—[7. otomia, Sss.] dd. Maxima; alz flavicantes, campo appendiculari magno.—[6. major, sp. n.] bb. Elytra venis longitudinalibus tantum 2, illis campi discoidalis gracilibus ; vena media vel ulnaris oblique ramosa. ec. Elongato-elliptica ; elytris basi testaceo-marginatis. Ale nigre. Lamina supra-analis trigonalis, incisa.—18. dohrniana, sp. n. cc. Crassa, convexa; elytris totis castaneis; alis subhyalinis.—20. yansoni, sp. n.
II. 1. Elytra:
a, Venule costales campi marginalis regulares, rectz, oblique, breves.
6. Elytra angusta, venis longitudinalibus crassiusculis ; vena discoidali recta, venulas valde obliquas apice subincrassatas, ad costam emittente. Campus discoidalis venis longi- tudinalibus 3-5 ad apicem perductis (scilicet ramis 2-4 venze medi et vena ulnari). (Tab. IV. fig. 1.)
_c. Venez disci omnes longitudinales. d. Vena mediastina brevis, marginem costalem medium haud attingens. e. Elytra angusta, abdomen valde superantia. Insecta in requiete postice atte- nuata. jf. Grandis; campus discoidalis elytri venis longitudinalibus 5.—[6. major.] Sf. Mediocris; campus discoidalis elytri venis longitudinalibus 4 (vel 8). g. Venule costales circ. 12-14; prime valde, ultime minus oblique. (Tab. IV. fig. 1.)—1. mexicana; [2. peruviana]; 4. tolteca; [5. moza. | gg. Venule costales omnes parallele.—3. nahua. ee. Elytra abdomen minus vel parum superantia. Insecta in requiete anguste elliptica. f. Ale normales, abdomine et elytris valde longiores.—7. otomia; 8. azteca; 9. fallax; [10. replicata]; [11. grandipennis|; 12. albomarginata ; 14. domestica. jf. Ale: minute, abdomine et elytris vix longiores.—13. parvipennis. dd. Vena mediastina elongata, venulis costalibus minus numerosis (5-9). Elytra apice ad marginem suturalem acuminata, margine suturali recto, costali apice
-ANAPLECTA. 21
arcuato ; campo discoidali venis longitudinalibus tantum 3 (vena media tantum furcata). (Tab. IV. fig. 11.) e. Apex elytri acutus ; campus discoidalis inter venas venis spuriis nulls.
f. Vena mediastina medium marginem vix attingens. Venule costales proxime, regulares, circ. 7, ultima irregulares. Arez inter illas venis spuriis reticulate.—[15. alaris.]
Jf. Vena mediastina medium marginem attingens vel superans. Venule costales tantum 5-6, remote, 1° longissima, ultime subtiles, areis inter illas latis, reticulatis.—17. elliptica.
ee. Apex elytri hebetatus ; campus discoidalis venis spuriis inter venas instructus,
reticulosus. Venule costales regulares. (Tab. 1V. fig. 11.)—16. decipiens.
cc. Vena media basi furcata, ejus rami ramulos obliquos ad marginem suturalem emit- tentes.—18. dohrniana.
66. Elytra brevia, lata, venis longitudinalibus tantum 2 parallelis (discoidali et media) ; campus marginalis latior, 2 latitudinem elytri efficiens. Venz costales regulares, graciles, omnes parallele; vena media irregularis, ramos obliquos 3-4 ad secundam partem marginis suturalis emittens. Venez omnes graciles, excepto vene mediastina et analis. (Tab. IV. fig. 16.)—19. fulgida; 20. jansoni.
aa, Campus marginalis latissimus, dimidiam latitudinem elytri efficiens ; vena discoidalis basi fortiter retro-arcuata, dehinc longitudinalis, undulata. Venule costales prime 5 vel 6 longe, arcuate, invicem proxime, flabellate; relique recte, oblique (nonnunquam furcate). Vena media a basi in ramos longitudinales undulatos soluta (4-5),in margine desinentes. Ven omnes graciles. (Tab. IV. fig. 13.)—21. flabellata.
2. Alarum campus appendicularis : a. major, margine basali transverso (Tab. IV. figg. 5, 8, &c.): 6. longior quam latior—[6. major]; [10. repiicata] ; [11. grandipennis]; [15. alaris] ; 17. elliptica. 6b. brevior quam latior.—8. azteca; (14. domestica); (16. decipiens, §); 19. fulgida; 21. flabellata. aa. minor, margine basali obtusangulo (Tab. IV. figg. 7, 9 &c.) : 5. parum angulato.—l. mexicana; [2. peruviana]; 4. tolteca; [5. mora]; 7. otomia; (8. azteca); 9. fallax; 12. albomarginata; 13. parvipennis; 14. domestica; 16. decipiens, 9; 18. dohrniana; 19. fulgida; 20. jansoni; 21. flabellata, var. bb. valde angulat?—3. nahua.
3. Alarum venulatio : a. Campus marginalis apice haud dilatatus. Area medio-discoidalis per venulas transversas divisa. (Tab. IV. fig. 2.) 6. Campus marginalis apice attenuatus ; vena discoidali apice antrorsum deflexa. . c. Campus marginalis plerumque angustus. Area medio-discoidalis in parte apicali per venam longitudinalem divisa. (Tab. IV. figg. 2, 7, 10.) d. Ultima venula transversa (Tab. IV. fig. 2,0) angulata, venam longitudinalem ab angulo emittens. e. Vena longitudinalis elongata, 3°" partem arese equans.—1. mexicana; [2. peru- viana|; 4. tolteca; 8. azteca.
22 ORTHOPTERA.
- ee. Vena longitudinalis brevior, 4°" partem arez zquans.—38. nahua; 7. otomia ; 9. fallax; 12. albomarginata (brevis) ; 16. decipiens.
dd. Ultima venula transversa (Tab. IV. fig. 4,0) obliqua, venam longitudinalem (longiusculam) ab ejus apicem posticam emittens; hec itaque frequentius obliqua.—[5. mora] ; 12. albomarginata.
cc. Campus marginalis latus.—14. domestica. 6b. Campus marginalis apice haud sensim attenuatus; vena discoidali tota recta; area medio-discoidalis tota per venulas transversas divisa. (Tab. IV. fig.6.) Areze ulnares bine plerumque latiuscule, distinctissime.—[6. major] ; 18. dohrniana; 19. fulgida ;
20. jansoni; 21. flabellata. , :
aa. Campus marginalis a medio ad apicem dilatatus, vena discoidali recta (cum vena spuria humerali haud confundenda). Area medio-discoidalis lata, per venulas transversas paucas vel tantum una, divisa. (Tab. IV. figg. 5, 12.) b. Ultima venula transversa (0) are medio-discoidalis venam unicam longitudinalem longiusculam emittens. Ultima venula transversa : c. angulata. (Tab. IV. fig. 12.)—[10. replicata] ; 13. parvipennis. cc. recta, obliqua, venulam longitudinalem ab ejus apice postico emittens. (Tab. IV. fig. 5.)—[11. grandipennis. | . . bb. Ultima venula transversa arez medio-discoidalis subapicalis, arcuata, cum vena discoidali in arcum continua, venulas 2-3 brevissimas longitudinales vel obliquas emittens. (Tab. IV. fig. 8.)—[15. alaris] ; 17. elliptica. 4, Lamina supra-analis, 9: a. Paulum producta: b. trigonalis : c. transverso-trigonalis, d. apice leviter truncata.—[5. moza. | dd. integra.—19. fulgida; 21. flabellata. cc. trigonalis, fissa, vel incisa, apice bilobata.—18. dohrniana. bd. rotundata : c. subparabolica.—7. otomia; 21. flabellata. ce. obtuse rotundata.—1. mexicana; [2. peruviana] ; [15. alaris]. aa. Transversa, margine postico transverse arcuato.—4. tolteca; 8. azteca; 9. fallax; [10. repli- cata] ; [11. grandipennis| ; 12. albomarginata ; 18. parvipennis ; 14. domestica; 17. ellip- tica. ;
Sectio I.
Elytra venis costalibus rectis, brevibus ; venis campi discoidalis longitudinalibus, regularibus, rare ramosis.
1. Anaplecta mexicana, Sauss. (Tab. IV. figg. 1, 2.)
Anaplecta. mexicana, Sauss. Miss. Scient. Mex., Orthopt. p. 15. 2, t. 1. figg. 9,9a, 9e (3 2) (1870).
Testacea ; abdomine, pronoti disco vittaque obliqua elytrorum ad venam analem fuscis; vertice et maculis 2 pronoti flavidis. Pronotum minutum, perfecte ellipticum, ejus maxima latitudo in media longitudine occurrens. Elytra angusta, elongata, apice acuminato-rotundata; vena media a basi’ in ramos 3 divisa. Ale infuscate, campo intermedio apice flavo, campo marginali obscuro, margine frequenter flavo; venis
. ANAPLECTA. 23
costalibus apice elongato-clavatis ; ares: medio-discoidalis venulis transversis tantum 3. Campus appen-
dicularis 9 ¢ quartam partem longitudinis ale equans, paulo latior quam longior, apice 9 parabolicus,
¢@ rotundatus. Lamina supra-analis 2 transversa, rotundata, gj paulo major, rotundato-trapezina. Long. 8; elytr. 8°5, pronot. 2, latit. pronot. 5°5 millim.
Hab. Mexico, Eastern Cordillera, Orizaba, Rio Blanco.
The wings have been figured for comparison with those of other species.
(2. Anaplecta peruviana, sp. n.
A, mexicane simillima, testacea, abdomine fusco. Vertex inter oculos vitta transversa nigra. Pronoti discus _ brunneus, maculis nullis. Elytra vitta obliqua fusca nulla, vena mediastina et basi ven humeralis, fuscis ; (vena media haud a basi divisa, sed ad medium bis furcata). Ale infuscate, illis A. meaicane similes, campo appendiculari tamen‘acutiore, subtrigonali ; venulis transversis ares medio-discoidalis 5. Long. cum elytr. 11, ale 9°5 millim.
Hab. Prrv.]
3. Anaplecta nahua, Sauss. Anaplecta nahua, Sauss. Miss. Scient. Mex., Orthopt. p. 14. 1, t. 1. fig. 11 a.
Sat minuta, gracilis, testacea. Pronotum antice leviter attenuatum, disco vittis 2 longitudinalibus fuscis. Elytra angusta, elongata, fulvo-testacea, quam in A. mexicana apice magis acuminata; vitta longitudi- nali fusca campum analem et basin campi discoidalis occupans, dehinc anguste inter venam ulnarem et ramum posticum vene medie plus minus producta, marginem suturalem liberante; vena media tantum basi furcata, ramos tantum 2 efficiens. Al fusco-nebulose, campo marginali apiceque campi intermedii, plus minus infuscatis, venis costalibus 6 apice fulvis, crasse clavatis; vena media apice furcata ; area medio-discoidali transverse venosa. Campus appendicularis sat minutus, basi obtusangulus.
Long. cum elytr. 6-7; elytr. 5:5, pronot. 1-5, latit. pronot. 2°4 millim.
Hab. Mexico, Eastern Cordillera.
4, Anaplecta tolteca, Sauss. Anaplecta tolteca, Sauss. Miss. Scient. Mex., Orthopt. p. 16. 3.
Q. Testacea, superne infuscata, fronte inter oculos vitta fusca. Pronoti discus fulvus, marginibus lateralibus late hyalinis. Elytra angusta, apice rotundata, castanea, apice fulva, campo costali partim late pellucido ; vitta obliqua in vena anali testaceo-hyalina ; venis disci 3-4 complete longitudinalibus ut in A. mexicana. Ale illis A. mexicane simillime, infuscate, fusco-nebulose, campo appendiculari fusciore, campo costali et margine appendicis fuscis. Lamina supra-analis margine transverse arcuato; cerci testacel.
Long. 6; elytr. 6-5, pronot. 1°6, latit. pronot. 2°5 millim.
Hab. Mexico, Eastern Cordillera.
[5. Anaplecta moxa, sp.n. (Tab. IV. figg. 3, 4.)
A, mexicane formis simillima, elytris apice paulo obtusioribus.
. Fusco-castanea. Antenne picee. Caput subtus et pedes testacea; vortex et occiput fusca. Pronotum paulo minus ellipticum, antice leviter attenuatum scilicet ejus latitudo maxima pone medium occurrens, margine posteriore leviter arcuato, disco castaneo, marginibus lateralibus late pellucidis. Elytra castanea, elongata, angusta, apice rotundata, margine costali magna parte hyalino; venis campi discoidalis longi- tudinalibus 4. Ale tota fusce, de reliquo illis A. mexicane simillime. Abdomen fuscum; lamina supra-analis trigonalis, apice leviter truncata. Ultimum segmentum ventrale compressum, fissum.
Long. 7-2; elytr. 8, pronot. 1-9, latit. pronot. 2°7 millim.
Hab. Peru, Tarma (Mus. Genavense).]
24 ORTHOPTERA.
[6. Anaplecta major, sp.n. (Tab. IV. fig. 6.)
Q@. Species maxima generis, fusco-castanea; ore testaceo; antennis fuscis; ocellis nullis. Pronotum minutum, margine anteriore et posteriore subrectis, totum opacum, marginibus haud hyalinis; disco bisulcato, margine postico punctis impressis 2. Elytra elongata, apice rufescentia, venis prominulis ; campo discoidali venis longitudinalibus 5. Ale grandes, flavicantes, area costali et campo appendiculari flavo-aurantiis. Vena discoidalis valde furcata, ejus ramus anterior (v. humeralis) campum marginalem latum partim dividens. Pars marginalis flava, venis costalibus elongato-incrassatis; pars posterior campi marginalis hyalina, ante apicem desinens, per venulas transversas 4 divisa. Area medio-discoidalis latissima per venulas transversas 5-6 reticulata. Area ulnaris angusta, per venulas 2-3 divisa, vena media apice venulam obliquam anteriorem emittens. Campus appendicularis grandis, longior quam latior, parabolicus, tertiam partem longitudinis ale efficiens. Pedes fusci. (Femora anteriora et inter- media spinis 3:0, posteriora 2:0.) Abdomen supra sordide testaceum, marginibus fuscis; subtus fuscum, in medio pallidius. Lamina supra-analis transversa, rotundato-trapezina, testaceo-ciliata,
Long. 10; elytr. 10, pronot. 3-2, latit. pronot. 4 millim.
Hab. Perv, Tarma. |
7. Anaplecta otomia, Sauss.
Anaplecta otomia, Sauss. Mélang. Orthopt. i. 2° fase. p. 58, t. 3. fig. 18 * (9) (1869); Miss. Scient. Mex., Orthopt. p. 18. 5.
Fusco-nigra vel fusco-castanea; antennis et abdomine fuscis. Caput fusco-nigrum. Pronotum margine postico transverso, marginibus lateralibus subopacis, in perlucidate fuscis. LElytra sat angusta, apice attenuata, venis longitudinalibus crassis, venis costalibus regularibus, circ. 10, apice incrassatis, ultimis clavatis. Alee leviter fusco-fulvo-nebulosis, ad costam anguste infuscatee, venis costalibus apice elongato- clavatis ; area medio-discoidalis venulis transversis 3-4; campo appendiculari mediocri, basi vix angulato. Pedes fusco-testacei. Lamina supra-analis producta, parabolica, ultimum segmentum ventrale equans; hoc parum compressum.
Long. 6°5; elytr. 6, pronot. 1°75, latit. pronot. 2°4 millim.
Hab. Mexico.
A species very distinct on account of its dark colour and pale wings, and its pro- notum having the lateral margins nearly opaque. The elytra are nearly of the type as those of A. mexicana, but less elongated.
8. Anaplecta azteca, Sauss. Anaplecta azteca, Sauss. Miss. Scient. Mex., Orthopt. p.17.4 (2 ¢), t.1. figg. 10,10 a (3) (1870).
Statura mediocri, fusco-castanea ; pedibus testaceis. Antenne brunnex. Caput testaceum, vitta frontali transversa, vertice et occipite fuscis. Pronotum perfecte ellipticum, disco fusco-nigro, prope basin macula obsoleta testacea vel flavida; marginibus lateralibus late pellucidis. Elytra margine costali anguste testaceo. Ale tote infuscate, margine costali ad venulas clavatas anguste flavido; area medio- discoidali venulis transversis 2; campo appendiculari acutiore, parabolico, eque longo ac lato, basi vix angulato. Abdomen fuscum, cercis fusco-testaceis. Lamina supra-analis transversa, brevis, margine arcuato, lamina infra-genitalis ¢ grandis, prominula, parabolica, plus minus testacea.
Long. 6°5; elytr. 5:8, pronot. 2, latit. pronot. 2°5 millim.
Hab. Mexico, Eastern Cordillera, Orizaba, Rio Blanco.
* This figure is not satisfactory, the pronotum being too orbicular and too much separated from the elytra.
ANAPLECTA. 20
9. Anaplecta fallax, Sauss. (Tab. IV. fig. 7.)
Anaplecta fallax, Sauss. Mém. du Méx., Blatt. p. 51. 2 (9) (1864); Brunner de W. Syst. Blatt. p- 66. 7 (1865).
Anaplecta lateralis, Sauss. Miss. Scient., Orthopt. p. 19. 7, t. 1. fig. 138 (9) (1872).
. Corpus.in requiete ovatum. Fusco-castanea; antennis pallidioribus; pedibus testaceis. Caput fuscum Pronotum antice leviter attenuatum, marginibus lateralibus hyalinis, disco fusco, sat magno. Elytra abdomen superantia; costa albo-marginata, apice testacea, venulis costalibus parallelis8-1 0. Ale, ut solitum, elytris sensim longiores, hyaline, campo marginali fulvescente, venis costalibus 6-7 apice elongato-clavatis ; area medio-discoidali venula transversa unica. Campus appendicularis 38 vel 4°™ partem longitudinis ale efficiens, rotundatus, paulo minus longus quam latus, parte antica majore; sub- hyalinus, margine basali obtusissime angulato. Coxe basi vel fere tote infuscate. Abdomen basi piceum ; cerci testacei; lamina supra-analis 2 transversa, arcuata ; infra-genitalis parum compressa, con- vexa, fissa, quando deplicata bilobata, lobis trigonali-rotundatis.
Long. 4°6; elytr. 4, pronot. 1°5, latit. pronot. 2°25 millim.
Hab. Mexico (Sumichrast); Guatema.a (coll. Guérin).—CoLoMBIA.
‘Very similar to A. azteca, but smaller, and with differently formed hind wings. Compare also with A. decipiens and A. parvipennis.
[10. Anaplecta replicata, sp. n. (Tab. IV. fig. 12.) ? Blatta minutissima, De Geer, Ins. iii. p. 542. 10, t. 44. figg. 13, 14.
A. grandipenni simillima, paulo minor, abdomine infuscato. Differt precipue per alas :—Ale hyaline, campo marginali fuscescente, margine fulvo; venis costalibus 8, quarum 6 apice minute fusco-clavatis. Area medio-discoidalis per venulas 2-3 divisa, 3* fracta, venam longitudinalem emittente. Campus appendicularis grandis, parabolicus, longior quam latior, quam pars basalis ale brevior, hyalinus vel leviter fulvescens, margine basali recto. o 2.
Long. 4:4; elytr. 4:25, pronot. 1-5, latit. pronot. 2 millim.
Hab. Brazit, Pernambuco.
Differs from A. grandipennis in the appendix of the wings being not so large, rather narrower, and in the neuration of the anterior field being more complete. Nevertheless, it may be a variety of the same species. |
[11. Anaplecta grandipennis, sp.n. (Tab. IV. fig. 5.)
Minima, gracilis, fusco-castanea; ore, pedibus et abdomine testaceis. Antenne fusco-testacee. Pronoti margines laterales latius, elytrorum margo costalis angustius, hyalino-pellucidi. Ale hyalinw, campo marginali et apice campi discoidalis leviter fulvis; venze costales pauce, 4-5, minime clavatw; area medio-discoidalis haud transverse venosa, per venulam transversam obliquam prope apicem clausa. Campus appendicularis maximus, dimidiam longitudinem ale efficiens, longior quam latior, parabolicus, basi transversa, recta ; subhyalinus, parte anteriore leviter fulvescente. ¢ 9.
Long. 4:25; elytr. 4, pronot. 1-5, latit. pronot. 2 millim.
- Hab. Brazit, Pernambuco.
This species is remarkable for the enormous appendix of its wings, which makes the basal part of these organs extremely short and with very few veins. The appendix is still larger than in JA. replicata. |
BIOL. CENTR.-AMER., Orthopt., September 1893. Ee
26 ORTHOPTERA.
12. Anaplecta albomarginata, sp.n, | Q. A. decipienti simillima, eadem pictura, abdomine tamen basi testaceo. Differt ab illa :—Formis gracilior- ibus ; elytris sensim angustioribus, apice regulariter rotundatis, margine costali minus areuato; campo discoidali tantum apice reticulato. Als hyaline, venis costalibus fulvescentibus, campo appendiculari sat grandi, longiore quam latiore, hyalino, margine basali subrecto. Ultimum segmentum ventrale apice haud compressum, sed rotundato-tumidum, fissum. (Ven campi discoidalis in elytro sinistro longitudi- - nales; vena media in elytro dextro oblique triramosa.) Long. 5; elytr. 5, pronot. 1-5, latit. pronot. 2 millim.
Hab. Mexico, Tabasco (H. H. Smith).
13. Anaplecta parvipennis, sp. n.
Minuta, statura A. grandipennis, nigro-castanea, antennis, pedibus et cercis testaceis. Pronoti margines laterales hyalino-pellucentes. Elytra abdomen haud superantia, margine costali albo, apicali testaceo, apice rotundato, margine costali arcuato, margine suturali tantum apice arcuato. Ale minute, fusco- nebulose, ad marginem costalem fusciores ; campo appendiculari brevi, rotundato, breviore quam latiore, margine basali vix angulato. Area medio-discoidalis venula transversa unica angulata, venam longitu- dinalem sat brevem, obliquam, emittens. Lamina supra-analis transversa.— Variat. Alis vix infuscatis.
Long. 4°8; elytr. 3-4, pronot. 1°3, latit. pronot. 2:2 millim.
Hab. Mexico, Tabasco (H. H. Smith).
Of the same facies as A. azteca, A. replicata, A. grandipennis, A. decipiens, A. albo- marginata, and A. fallax, but distinct from all these (A. azteca excepted) on account of the wings being one half shorter and the elytra narrower. Smaller than A. decipiens, with the elytra more rounded at the tip and not reticulated, and the wings with shorter appendicular field. A little larger than A. replicata and A. grandipennis, with very differently formed wings (comp. synopsis specierum II. 2, anted, p. 21). Distinguished from A. albomarginata by the shorter elytra, infuscated wings with shorter appendicular field, &c. It is quite similar to A. fallax, only the elytra are a little shorter, not longer than the abdomen, and the wings one half smaller, a little more infuscated, with the appendicular field a little shorter and the longitudinal venula of the end of the medio-discoidal area shorter and oblique. . A. parvipennis is remarkable for its small hind wings—when extended reaching scarcely to the end of the abdomen—being scarcely longer than the elytra. It is the only known species possessing this character.
14, Anaplecta domestica, sp. n.
Q. Minuta, statura A. fallacis ; crassiuscula, rufo-castanea vel rufescens, subtus rufo-testacea ; pedibus plus minus testaceis. Antenne rufo-testacee. Pronotum leviter bi-impressum, marginibus lateralibus totis hyalino-testaceis. Elytra abdomen vix superantia, apice subacuminato-rotundato, margine costali arcuato, suturali recto; margine costali saltem basi testaceo; campi discoidalis venis longitudinalibus. Ale hyaline, venis testaceis; area medio-discoidali venulis transversis 1-2 vel ante apicem venula unica obliqua, ut in A. grandipenne. Campus appendicularis hyalinus, rotundatus, eque longus ac latus,
mediocris, plus quam 3* parte longitudinis reliqui ale squalis. Lamina supra-analis brevis, transversa. Long. 4°6; elytr. 3:8, pronot. 1°75, latit. pronot. 2°25 millim.
Hab. GUATEMALA, in the city (Champion).
A species very like A. alaris, but with the elytra more rounded at the tip, with the
ANAPLECTA: 27.
costal field not so broad, occupied by numerous regular, approximated, and parallel costal veins. The costal margin is not much arcuate. The hind wings are also differently formed in the two species.
_. [15. Anaplecta alaris, sp. n.
Sat minuta, statura A. domestice et illi sat similis. Fulvo-rufescens. Caput fuscum. Antenne fusco- testacee. Pronotum ellipticum, disco aurantio, impressionibus perspicuis ; marginibus lateralibus latius- cule fulvo-testaceo-pellucentibus. Elytra abdomen parum superantia, aurantio-testacea, area basali leviter pallidiore, campo anali et basi campi discoidalis infuscatis; apice acuminato; margine suturali recto, costali valde arcuato. Campus marginalis latus, venulis costalibus 6-7, ultimis irregularibus sat transversis, invicem remotis; inter illas venulis spuriis plus minus reticulatis intercalatis. Ven costales prope basin per venulam transversam conjuncte. Campus discoidalis reticulatus, vena media furcata, ramo 3° obsoleto. Ale leviter infuscate#, campo marginali apice leviter infuscato, venulis costalibus 5. Area medio-discoidalis per venulam transversam unicam obliquam mediam et apice per venulam longitu- dinalem arcuatam divisa; hec venulas obliquas brevissimas emittens. Campus appendicularis magnus,
_ parabolicus, ut in A. elliptica (comp. Tab. IV. fig. 8) sed apice acutior, infuscatus, parte antica obscuriore ejus vena postica apicem haud attingens, sed fere ad 3 longitudinis fracta, oblique ad marginem posticum ducta. Pedes testacei. Abdomen infuscatum, subtus rufescens. Cerci testacei, ultimum segmentum ventrale apice valde compressum. Lamina supra-analis sat producta, rotundata. .
Long. cum elytr. 53; elytr. 4:5, pronot. 1-4, latit. pronot. 1-8 millim.
Hab. Perv (Mus. Genavense). |
16. Anaplecta decipiens, sp.n. (Tab. III. fig. 5; Tab. IV. figg. 10, 11.)
Q. Sat minuta, tota nigro-castanea, antennis piceis, pedibus testaceis ; pronoti lateribus hyalinis. Elytra abdomen vix superantia, acuminato-rotundata, margine suturali recto, marginali arcuato, margine costali toto anguste albido; campus analis 3 partem marginis suturalis attingens; campi discoidalis arex per venas spurias divise, ac reticulate. Ale subhyaline, campo marginali obscuriore, venis costalibus 5-6 fuscis apice clavatis. Campus appendicularis 3°" partem longitudinis ale efficiens, parabolicus, paulo longior quam latior, margine basali obtusissime angulato. Coxe basi infuscate. Lamina supra-analis transversa ; cerci testacel.
3. Minor et gracilior; elytris minus reticulatis; alis minus infuscatis, campo appendiculari minore, minus
_ longiore quam latiore.
Long. cum elytr. 9 5°8, ¢ 4°8; elytr. 2 4:6, ¢ 3:5; pronot. 2, latit. pronot. 2-4 millim.
Hab. Mexico, States of Vera Cruz and Tabasco (H. H. Smith).
This species is closely allied to A. fallax; but in A. fallax the elytra are a little more rounded at the tip, reticulated only at the end, and the appendicular field (¢ ) of the wings is much shorter, not so long as broad, while the contrary is the case in A. decipiens (@). Nevertheless, A. decipiens and A. fallax may belong to the same species. Also very similar to A. lateralis (Burm.), Brunner, of South America; but the appendicular field of the wing is much wider and more rounded in A. decipiens.
17. Anaplecta elliptica, sp. n. (Tab. III. fig. 2; Tab. IV. fig. 8.)
Q. Statura A. aztece et illi simillima. Fusco-castanea. Caput rufescens. Antenne fusca. Pronotum transverse ellipticum, antice haud attenuatum, margine anteriore late truncato ; margines laterales valde arcuati, late testaceo-diaphani. Meso- et metanotum testacea. Elytra abdomen paulum superantia, margine laterali toto testaceo-diaphano. Campus marginalis apicem versus latior, vents 2 mediastinis ultra
Ee 2
28 ORTHOPTERA.
medium marginem attingentibus ; venis costalibus tantum 4; ares inter illas late, venis spuriis irregulari- bus divisee ac reticulate. Campus discoidalis venis longitudinalibus obsolete elevato-reticulatus; vena media tantum furcata, a vena ulnari remota. Apex acuminatus, margine suturali recto, costali valde arcuato. Ale infuscate, venis fuscis, campo marginali, area discoidali apice et campo appendiculari fuscis. Vene costales tantum 4, sulcate (vel duplices), apice haud clavate. Area medio-discoidalis lata, sensim indivisa, ante apicem venulam obliquam arcuatam transversam breviter biramosam obferens. Campus appendicularis sat grandis, parabolicus, 2 longitudinem relique ale squans, margine basali subrecto. Pedes testacei. Abdomen saltem apice infuscatum; subtus apice rufo-castaneum. Cerci testacei. Ultimum segmentum ventrale amplum, apice anguste compressum. Q. Long. cum elytr. 7-25; elytr. 5°6, pronot. 1-75, latit. pronot. 2°8 millim.
Hab. Guatemata (coll. Dohrn).
This species is easily recognizable by the elliptical form of its pronotum, the form of the apex of the elytra, and the venulation of their costal field. The elytra are
reticulated as in A. decipiens.
18. Anaplecta dohrniana, sp.n. (Tab. III. fig. 3; Tab. IV. fig. 15.)
Statura A. mewicane, subgracilis, fusco-castanea. Antenne testaces, 3* parte basali fusca. Caput rufum vel aurantium, vertice transverso, prominulo; oculis invicem valde remotis, supra valde convergentibus. Pronotum sat ellipticum, anterius attenuatum, margine anteriore subarcuato subreflexo, posteriore trans~ verso, vix angulato, marginibus lateralibus subreflexis, pellucidis. Elytra abdomen superantia, sat angusta, apice rotundata, area marginali basali pellucida ; vene costales apice leviter incrassatew ; vene longitu- dinales subtiles ; vena media apice biramosa; vena ulnaris ramulos 3 ad marginem suturalem emittens. Ale nigrescentes ; campo marginali nigro, margine aurantio, venis costalibus apice clavatis ; area medio- discoidali quadrato-reticulata. Campus appendicularis minutus, rotundatus, margine basali angulato ; campus posticus amplus. Pedes ruto-testacei, femora potius pilosa quam spinosa. Abdomen fuscum, subtus rufescens. Cerci apice fusci. Lamina supra-analis 2 trigonalis, sulcata, apice anguste incisa, bilobata. ¢ QO.
Long. 8°5; elytr. 7°75, pronot. 2, latit. pronot, 2°8 millim.
Hab. Guatemana (coll. Dohrn).
A peculiar species on account of its prominent vertex and very distant eyes. In the venulation of its elytra (discoidal campus) it forms a transition towards the 2nd section.
Sectio II.
Crassiuscule. Elytrorum vena media ramulos obliquos ad marginem suturalem emittens.
19. Anaplecta fulgida, Sauss. (Tab. IV. fig. 16.) Anaplecta fulgida, Sauss. Mém. du Mex., Blatt. p. 50.1; Miss. Scient. Mex., Orthopt. p. 19. 6,
t. 1. fig. 12.
Als leviter infuscatee. Vense costales 6-8 apice ovato-clavate. Area medio-discoidalis tota quadrato-reticulata. Campus appendivularis zque latus ac longus, basi vix angulatus, margine anteriore ante illum et margine apicali campi postici aurantiis.
9. Lamina supra-analis trigonalis, apice anguste incisa; ultimum segmentum ventrale apice compressum, carinatum. <. Lamina supra-analis late trigonalis.
Ale ut in figura A. janson. (Tab. IV. fig. 9.)
Varietas. Pronoti discus fuscus vel flavescens.
Long. 9 6:2, ¢ 7; elytr. 2 5:8, ¢ 65; pronot.? ¢ 2, latit. pronot. 2°83 millim.
ANAPLECTA. | 29
Hab. Mexico, Teapa in Tabasco (H. H. Smith: 3 2); Guatemats, Capetillo (Champion). |
Very close to A. jansoni, but testaceous in colour; the pronotum with white trans- parent lateral margins, including the posterior angles. The venulation of the elytra and wings the same as in A. jansoni (comp. Tab. IV. fig. 9), but. the wings less infuscated ; the elytra rather transparent, having their costal veins more distinctly incrassated at the ends. The legs testaceous.
20. Anaplecta jansoni, sp.n. (Tab. III. fig. 4; Tab. IV. fig. 9.) Crassiuscula, fusco-castanea. Antenne et vertex inter oculos testacei. Pronotum majusculum ; ejus margines laterales deflexi sordide testaceo-hyalini, postice infuscati. Elytra latiuscula, opaca; campo marginali latissimo, venis costalibus regularibus, parallelis 12 sat transversis. Vena media subtilis, ven discoidali parallela, ramos 4—5 obliquos sat longitudinales emittens; vena ulnaris brevis, illis parallela. Ale sub- hyalinz, venis fusco-testaceis, campo marginali fulvescente, margine costali flavicante, venis costalibus 8 apice leviter nodosis; area medio-discoidali parum lata, tota per venulas transversas quadrato-reticulata. Campus apicalis parabolicus, fulvescens, parum opacus, dimidiam longitudinem relique ale squans vel paulo longior. Pedes fusci, spinis et tarsis testaceis. Abdomen fuscum ; lamina supra-analis (verisimiliter
trigonalis). Tarsi 4-articulati. Long. cum. elytr. 8-25; elytr. 6°25, pronot. 2, latit. pronot. 2°6 millim.
Hab. Nicaracva, Chontales (Janson).
Resembling A. fulgida in form and venulation, but differs in its brown coloration, the lateral margins of the pronotum being less translucid, brown posteriorly, and its elytra
entirely brown, opaque.
Sectio ITI.
Venule costales elytri baseos elongate, arcuato-flabellate. Venze campi discoidalis graciles, longitudinales vel irregulares.
21. Anaplecta flabellata, sp.n. (Tab. III. fig. 1; Tab. IV. figg. 13, 14.)
A. toltece statura et illi simillima, fusca. Vertex et pronotum fusco-castanea, hoc marginibus deflexis, pellu-. cidis. Elytra subtestacea, apice acuminato-rotundata, abdominis longitudine, quam latiora ter longiora, campo marginali latissimo, campo discoidali venis longitudinalibus 4-6, sat obliquis in margine suturali desinentibus. Margo costalis basi pellucidus ; campus analis et fascia transversa media disci fusci, venis inter fasciam fuscam et campum analem fuscis. Als subhyaline, venis fuscis, campo marginali dimidia parte apicali flavo; area medio-discoidali quadrato-reticulata. Campus apicalis infuscatus, apice angusta- tus, rotundatus, zeque longus ac latus. Pedes testacei.
Var. Pallidior. Caput rufescens vel aurantiacum. Pronoti discus rufescens vel flavidus. Elytra vix fusco- varia, campo anali haud infuscato, vena anali plus minus infuscata; vitta transversa fusca disci plus minus evanida, abbreviata vel ad maculam reducta vel tota evanida. Ale parum infuscate, campo apicali pallido, fulvescente. Lamina supra-analis ¢ rotundata, 9 transyersa, margine arcuato.
Long. 6 ; elytr. 4°5, pronot. 2, latit. pronot. 2°3 millim.
Hab. Mexico, Teapa in Tabasco (H. H. Smith: var.) GuaTEMALA, Chacoj in Vera Paz (Champion: var.); Panama, Bugaba (Champion).
Differs from A. tolteca in the brown fascia of the elytra and in the neuration of its wings, the end of the area medio-discoidalis not being parted by longitudinal veins. The appendicular field is slightly longer than in the male of A. tolteca.
30 ORTHOPTERA.
Species incerta.
_ [Anaplecta lateralis, Burm. Anaplecta lateralis, Burm. Handb. ii. p. 494; Brunn. de W. Syst. Blatt. p. 65. 5, fig. 2 (9).
Ale sordide hyaline, macula fusca ad marginem anteriorem ; campo apicali elongato-trigonali, subopaco, ? triente parte longitudinis ale squali, apice subacuminato. (Comp. figuram laudatam.) A. fallaci (no. 9) pictura simillima. ,
Hab. CoLomBta. |
Tribus BLATTIN A.
Phyllodromide, Brunner de W. Syst. Blatt. p. 74. Blattites, Saussure, Miss. Scient. Mex., Orthopt. p. 20.
The species of this Tribe present two different types in the armature of their anterior femora. The anterior inferior edge of these femora always bears two long apical spines ; but the edge itself is armed as follows :—
Type 1 (Tab. VI. fig. 17). The basal half with 3-6 long spines distant from each other, and the apical part with numerous very small setiform spinule (type Platamodes, Scudd., Stal). |
Type 2. The entire edge armed with distinct spines, which are smaller in the apical half than the basal spines, and decrease in length towards the end.
Scudder has proposed the genus Platamodes for a species of Ischnoptera belonging to the first type; and Stal has divided nearly the whole Tribe into two genera based upon the two types here indicated. This system of classification cannot, however, be maintained, the two types reappearing in most of the natural genera; so that if it was ' adopted we should have to make twice as many genera.
Stal has also proposed a genus Liosilpha to receive the species of the second type which have the supra-anal plate () a little emarginated (comp. Tab. IV. fig. 21); but this character is also found in a number of species of the first type, so that if we follow him we should have to still further subdivide the genera. Neither Scudder nor St&l would have taken the above-mentioned characters as generic if they had examined a greater number of species. Thus, we have preserved the excellent classification given by Brunner de Wattenwyl in his ‘Systéme des Blattaires,’ to the exclusion of the divisions proposed by Stél, utilizing the characters of the two types only to form sections of the genera.
Synopsis generum. 1. Elytra perfecte explicata. &. Elytra membranacea vel parum coriacea, in utroque sexu perfecte explicata, rare in feminis abbreviata. 3. Antenne incrassate, piloso-plumose. 4, Pronotum posterius arcuato-productum vel subangulatum ; ven ulnares elytrorum pone campum analem fractz, omnes indivise.—Tuyrsocera, Burm.
THYRSOCERA. 31
44, Pronotum posterius transversum, vix arcuatum. Vene campi discoidalis elytri haud fractz, plus minus furcate.—CaLosBLaTTa, gen. n. 33. Antenne setacezx. 4. Alarum vena ulnaris venas completas ad marginem apicalem, ramosque incompletos ad venam dividentem emittens. Lamina infra-genitalis ¢ stylis longis munita. 5. Antenne crasse. Caput prominulum. Pronotum deplanatum, parabolicum, postice truncatum, subarcuatum. Mares stylo unico (?) instructi. Cerci mediocres.—[PsEUDISCHNOPTERA, Sss. ]
55. Antenne graciles. Vertex modice (rare magis) prominulum. Pronotum utrinque deflexum, postice productum vel arcuatum. Cerci longi; mares stylis 2 instructi. Elytra 2 nonnunquam abbreviata—TIscunopreRa, Burm.
44 Alarum vena ulnaris ramos incompletos nullos ad venam dividentem emittens. 5. Caput parum prominulum.—Buarta, L. 55. Caput late prominulum.—PsrupoPHYLLopRomiA, Burm. 22. Elytra cornea; ale ut in generi Blatta. 3. Tarsi normales, aroliis instructii—CERatTiINopTERa, Br. 33. Tarsi aroliis destituti—PaRaCERATINOPTERA, Sss. 11. Elytra in utroque sexu abbreviata, abdomen partim liberantia, cornea. 2. Elytra parum abbreviata. Lamina supra-analis ¢ maxima, difformis, in duas partes dissimiles profunde divisa.—ANIsoPyYGIA, gen. n. 22. Elytra truncata vel valde abbreviata, abdomen magna parte liberantia vel rudimentalia. Lamina supra-analis normalis, breviuscula. 3. Elytra articulata; ale minime.—Temnopreryx, Br. 33. Elytra squamiformia, lateralia, haud articulata. Ale null. 4. Tarsi aroliis instructi, normales.—Losorrera, Br. 44. Tarsi aroliis nullis vel minimis, compressis, instructi—PaRaLoporTeRa, Sss.
THYRSOCERA, Burm.
Thyrsocera, Burm., Sauss., Brunn. de W. Pseudomops, Serville.
This genus is properly American, the species of the eastern hemisphere being rather different in their characters. The American species have the wings destitute of an apical intercalated membranaceous field, and with the ulnar vein bearing 2~3 longi- tudinal branches*. Thyrsocera is strongly represented in Central America.
* The two types are distinguished as follows :— a, Antenne semper plumose. Alz apice area membranacea intercalata nulla; campo anteriore venis rectis, vena ulnari ramosa.—Thyrsocera, Burm. 6. Antenne crasse setacese, tunc plumose, tunc glabro-pilosella. Als apice area membranacea intercalata ; campo interiore apice attenuato, vena ulnari arcuata, indivisa vel furcata. (Species orientales.)—Hemi- thyrsocera, Sss. (Th. nigra, communis, major, Br.).
32 ORTHOPTERA.
1. Thyrsocera cincta, Burm. Thyrsocera cincta, Burm. Handb. ii. p. 499. 3 (1839); Brunn. de W. Syst. Blatt. p. 122.9; Sauss. Mém. Mex., Blatt. p. 125. 62; Miss. Scient. Mex., Orthopt. p. 50. 6, t. 1. fig. 28. Thyrsocera mexicana, Sauss. Rev. et Mag. Zool. 1862, p. 168; Mém. Mex., Blatt. p. 122. 57. Thyrsocera sallei, Sauss. 1. c. p. 168; 1. c. p. 123. 59 (var.).
Hab. Mexico, Cordova, Tuxtla, Alvarado (Saussure), Atoyac in Vera Cruz (Schu- mann) ; GUATEMALA, Capetillo (Champion); NicaRacva.
2. Thyrsocera laticornis, Perty. Pseudomops laticornis, Perty, Delect. p. 117, t. 24. fig. 4 (1831) ; Serv. Orthopt. p. 116. Thyrsocera laticornis, Burm. Handb. ii. p. 499. 6; Brunn. de W. Syst. Blatt. p. 123.11; Sauss. Miss. Scient. Mex., Orthopt. p. 51. 7. | Thyrsocera dubia, Sauss. Mém. Mex., Blatt. p. 123. 58 (var.). Hab. Mexico, State of Jalisco (Schumann), State of Guerrero (H. H. Smith), Vera
Cruz (Saussure).— BRAZIL.
3. Thyrsocera oblongata, Linn.
Blatta oblongata, Linn. et auct. Thyrsocera oblongata, Burm. Handb. ii. p. 499.8; Brunn. de W. Syst. Blatt. p. 121. 8; Sauss. Miss.
Scient. Mex., Orthopt. p. 50. 5, t. 1. fig. 29. Thyrsocera tolteca, Sauss. Mém. Mex., Blatt. p. 124. 61, fig. 21. Blatta intercepta, Burm. Handb. ii. p. 497.10; Sauss. Mém. Mex., Blatt. p. 113. 51.
Var. Pronotum rufum, vitta transversa premarginali nigra, margine postico albido. Als apice infuscate, campo marginali magna parte fusco, venis omnibus fuscis.
Hab. Mexico, Soledad in Guerrero, Atoyac in Vera Cruz, Teapa in Tabasco (H. H. Smith), Eastern Cordillera (Saussure); GuatemMaa, Zapote, San Gerénimo (Champion). —Britiso Honpuras (Blancaneaur).
4. Thyrsocera discicollis, Burm. Blatta discicollis, Burm. Handb. ii. p. 498. 14, ¢; Sauss. Mém. Mex., Blatt. p. 114. 52. Thyrsocera discicollis, Brunn. de W. Syst. Blatt. p. 123. 10; Sauss. Miss. Scient. Mex., Orthopt. p. 51. 8.
Hab. Mexico, State of Guerrero (H. H. Smith), Eastern Cordillera, Orizaba, Moyoapan (Saussure).
5. Thyrsocera gueriniana, Sauss. Thyrsocera gueriniana, Sauss. Revue et Mag. Zool. 1862, p. 168; Mém. Mex., Blatt. p. 124. 60; Miss. Scient. Mex., Orthopt. p. 50. 4.
_ Hab. Mexico. 6. Thyrsocera aurantiaca, sp. n. (Tab. III. figg. 6, 7.)
¢. Inter minores notanda, aurantiaca. Caput, palpi et antenne nigra; his ultra medium annulo aurantiaco. Elytra campo marginali apice fusco; margine apicali et suturali apice grisescente. Ale griseo-flavido- hyaline, splendide nitentes: costa media aurantiaca, venis costalibus ultimis fuscis; omnibus longe
THYRSOCERA.—CALOBLATTA, 33
incrassatis ; limbo apicali et postico anguste griseo. Pedes flavidi, coxis basi, femoribus apice, tibiis et tarsis nigris vel piceis; spinis omnibus flavis. Abdomen et cerci aurantiaca. 3. Long. 8:5; elytr. 10, pronot. 3, latit. pronot. 3-25 millim.
Hab. Panama, Volcan de Chiriqui 4000 feet (Champion).
[7. Thyrsocera crinicornis, Burm. Thyrsocera crinicornis, Burm. Handb. ii. p. 499. 2; Saussure, Rev. et Mag. Zool. 1859, p. 111.9; Miss. Scient. Mex., Orthopt. p. 48. 2.
@. Nigra, gracilis. Antenne nigre, ultra pennicillum articulis 6°-8™ aurantiis. Pronotum circumcirca albido- limbatum necnon utrinque linea vel macula triangulari albida, cum margine confusa. Elytrorum area mediastina, limbo coxarum, segmentorumque ventralium albidis. Ale venis fuscis; campo marginali magna parte nigro; apice et limbo suturali infuscatis. Cerci elongati, deplanati, apice rotundati.
Var. a. Pronotum anterius haud albo-marginatum vel tantum puncto vel lineola albida.—d. Pronotum totum nigrum, tantum margine posteriore albido. (Guiana.)
Long. 9°5; elytr. 9°6, pronot. 3:6, latit. pronot. 3°6 millim.
Hab. Guiana, Cayenne; Brazit.
This species has not hitherto been sufficiently well described. It may possibly occur in Central America. |
CALOBLATTA *, Sauss. Caloblatta, Saussure, Societas Entomologica, 1898, p. 57.
Antenne setacex, dimidia parte basali incrassate, pilose fere ut in genere Thyrsocera. Caput: orbiculare, leviter prominulum, maculis ocellaribus flavis; vertex subplanatus, rugatus, cum facie angulum obtusum efficiens, utrinque intra ocellos acute marginatus; facies nitida, subcompressa, subcarinata.
Pronotum rotundatum, subvelutinum, paulo latius quam longius, lateribus arcuatis, parum deflexis, marginatis. Margo anterior sat late transversus, vix arcuatus ; margo posterior latus vix arcuatus, in medio levissime productus. Discus impressionibus consuetis notatus, per sulcum obsoletum divisus, vel fere bicarinulatus.
Elytra subvelutina, saltem haud nitida, elongata, subparallela, margine costali haud sinuato, apice rotundato. Campus marginalis modice latus, venulis costalibus simplicibus, longis, valde obliquis. Venez campi dis- coidalis omnes longitudinales plus minus furcate. Campus analis piriformis, venis principalibus 8-10.
Ale campo anteriore angusto, posteriore parum reticulato. Vena ulnaris tantum apice ramosa, ac ramos paucos brevissimos ad venam dividentem emittens. Vena media basi retro-inflexa, area medio-discoidali dilatata.
Pedes graciles, compressi, ut in genere Thyrsocera spinosi. Femora sat gracilia; anteriora ut in typo Plata- mode armata, margineque posteriore inermi, spinulis dimidie partis apicalis marginis anterioris numero- sissimis. Femora reliqua inermia, tarsi graciles, elongati; metatarsi postici elongati, pilosi, posticus plus quam dimidiam partem tarsi efficiens. Arolia inter ungues minuta.
Abdomen marginibus apice serratis, subtus lobatis ; lamina supra-analis 9 trapezina, ¢ transversa, margine posteriore arcuato. Cerci depressi, longiusculi.
Insecta minuta, gracilia, amoene picta, alis coloratis, generi T’hyrsocere haud dissimilia at corpore angustiore.
1. Caloblatta bicolor, Sauss.
9. Testacea. Antenne nigre, articulis 1°-2° piceis, 3°-6™ testaceis, ante medium annulo longo (articulis 12) albido (pars apicalis deficiens). Pronotum aurantium; macula disci elongato-trapezina, rufa, postice ante marginem truncata, antice bisinuata et in medio angulato-divisa. Elytra fusco-liliacea, margine costali latiuscule flavido-limbato ac vitta longitudinali marginis suturalis elytri sinistri flavida, hac ultra medium intramarginali. Ale diaphano-fusce; margine costali ultra medium flavido-albido; vena ulnari
* xados; Blatta.
BIOL. CENTR.-AMER., Orthopt., September 1893. Ff
34 . ORTHOPTERA.
apice biramosa, necnon ramulis incompletis 3 instructa. Pedes testacei, genubus, tibiis et tarsis brunneis. Abdomen supra brunneum, subtus testaceum, late luteo-marginatum. ©. Long. 10; elytr. 9°8, pronot. 3, latit. pronot. 3-4 millim.
Hab. Costa Rica (Rogers).
3. Caloblatta tricolor, Sauss. (Tab. III. figg. 11-13.)
d. Gracilis, niger. Antenne nigra, nigro-piloss, ultra medium annulo albido vel flavido (articulis circiter 8). Os piceum. Pronotum tricolor, lateribus et margine anteriore aurantiis, disco pictura rubra vel rufa in forma litteris V, marginem anticum utrinque attingente, necnon vitta longitudinali nigra, postice dilatata, nonnunquam marginem posteriorem attingente. Margines laterales frequenter latiuscule pellucentes, subvitrei, saltem ad angulum posteriorem. Elytra nigra vel fusco-liliacea, margine costali angustissime albido vel flavido. Ale diaphano-fusce, apice et campo marginali fuscis ; vena ulnaris furcata et ramum unicum brevissimum ad venam dividentem emittens; area ulnaris insuper venulis transversis paucis. Pedes basi testacei, genubus, tibiis et tarsis fuscis, spinis luteis, coxis apice et femoribus basi fusco- maculatis. Abdomen nigrum, segmentis ventralibus ultimis macula flava. Cerci nigri, cinereo-pilosi.
Var.—A. Elytra vix vel haud luteo-marginata—B. Pronotum: a, vitta nigra longitudinali in margine postico transverse dilatata, ad marginem anticum perducta, macula rufa disci anterius utrinque ad marginem lateralem extensa, margine anteriore maculis 2 flavis, angulis posticis late flavis vel pellucidis ; 6, flavum,
macula trapezina rufa per fasciam nigram divisa, marginem anteriorem tegente ; heec in medio maculis 2 flavis.
Long. 10; elytr. 10, pronot. 2°8, latit. pronot. 3 millim.
Hab. Guatemata, Senahu in Vera Paz (Champion); Nicaragua, Chontales (Belt, Janson).
The markings of the pronotum are variable, the three colours being more or less extended one over the other. In a general way, the pronotum may be described as yellow, with a large trapezoidal reddish picture on the disc, this being divided by a black band, which is more or less extended anteriorly and more or less dilated poste- riorly, so as to cover sometimes the greatest part of the hind margin.
[PSEUDISCHNOPTERA, Sauss. Pseudischnoptera, Saussure, Miss. Scient. Mex., Orthopt. p. 66 (1870).
1. Pseudischnoptera lineata, Oliv.
Blatta lineata, Oliv. Encycl. iv. p. 317. 17; Palis. Beauv. Ins. d’Amér. p. 228, Orth. t. 2c. fig. 5; Serville, Orthopt. p. 98. 22.
Ischnoptera lineata, Sauss. Mém. Mex., Blatt. p. 80.
Thyrsocera lineata, Brunn. de W. Syst. Blatt. p. 126. 20.
Pseudischnoptera lineata, Sauss. Miss. Scient. Mex., Orthopt. p. 67. 1 (¢).
Hab. Sours America, Cayenne; ANTILLES.
This species may eventually be found to occur in Central America. |
ISCHNOPTERA, Burm.
Ischnoptera, Burmeister, Brunner de W., Saussure. Platamodes, Scudder, Bost. Journ. of Nat. Hist. vii. p. 417 (1862); Stal (ex parte).
Antenne setacee. Elytra et ale: abdomen superantia (rare in feminis abbreviata), membranacea. vena ulnaris ramos ad marginem apicalem, alterosque incompletos ad venam dividentem emittens.
Alarum
ISCHNOPTERA. 30
Synopsis specierum.
Femora anteriora subtus in margine interno (anteriore) parte proximali spinis 3-6 armata, parte distali spinulis minimis piliformibus numerosis instructa, necnon ante spinas apicales 2 spina majore predita. (Species Americanz.)—PuiatamopEs *, Scudd.
A. Uterque sexus cognitus, saltem femine.
a. Hlytra in feminis abbreviata, in maribus completa. 6. Majuscula, fusca, pronotum utrinque luteo-marginatum.—1l. inequalis, sp. n. 66. Minor, fulvo-testacea.— [2. uhleriana, Sss.] aa. Elytra in utroque sexu abdomen superantia. 6. Antennz unicolores. c. Majores. d. Fusca, alis infuscatis, pronoto utrinque luteo-pellucido limbato.—3. meai- cana, Sss. dd. Pronoto toto corneo, haud pellucente limbato. Color fuscus vel fulvescens. e. Lamina supra-analis haud truncata. f. Lamina supra-analis in medio producta.—4. consobrina, Sss. Sf. Fulva; lamina supra-analis ? tota latitudine rotundata.—5. con- formis, sp. n. ee. Lamina supra-analis truncata.—6. ignobilis, Sss. cc. Minores. d. Media, crassiuscula; pronotum ellipticum, margine postico arcuato, disco ? sulcis nullis, ¢ obsoletis. Color pallide testaceus.—7. nahua, Sss. dd. Minute, graciliores, castanez ; pronotum postice parum arcuatum, impres- sionibus 2 distinctis. Al frequenter infuscate. e. Pronotum totum castaneum. f. Lamina supra-analis producta, truncata.—8. inca, sp. n. Jf. Lamina supra-analis trigonalis.—9. castanea, Sss. ee. Pronotum utrinque marginibus pallidis : f. vittis margivalibus arcuatis flavis. g.- Media. Pronotum disco fusco, circumcirca luteo-marginato.— 10. azteca, Sss. gg. Minor. Pronotum utrinque flavo-limbatum, vitta flava anterius completa vel interrupta.—11. ¢olteca, Sss. Sf. marginibus luteis antice et lateraliter ubique equilatis. g. Testaceo-pellucidis (lamina supra-anali g minus producta, late trigonali).—12. nana, sp. n. gg. Testaceo-opacis (lamina supra-anali g angusta, longe producta, apice fere semicirculariter excisa).—13. parvula, Sss. 66. Antenne annulo albido.—14. annulicornis, sp. n. AA. Femine ignote. oe a. Major, brunnea vel rufescens. Pronotum valde ellipticum, disco fusco, circumcirca luteo-limbato (inequali affinissima).—15. couloniana, Sss. aa. Minores.
* Stil has extended this subgenus to include several other genera (comp. p. 30); the name is twice pre- occupied in Insecta.
Ff 2
36
ll.
3.
2.
2. 6.
ORTHOPTERA.
b. Testacea ; pronoti discus fuscus, circumcirca testaceo-marginatus, per vittam flavidam divisus.—16. divisa, sp. n. 6b. Rufo-testacea ; pronotum corneum, disco fasciis 2 arcuatis fuscis.—[17. bolliana, sp. u.] Femora anteriora margine infero-interno tota longitudine spinoso, spinis partis distalis minoribus, confertis, distinctissimis. (Species mundi antiqui.)—(IscHNnorrERa.)—18. blatioides, Sss. (Cf. I. ectobioides, Sss.; I. bocagei, Bol.; I. vitticollis, Br., &c.) <
Conspectus specierum secundum alam ordinatarum.
a. Alarum area medio-discoidalis areze medio-ulnari «quilata—l. inegualis; [2. uhleriana] ; 6. ignobilis ; 7. nahua; (8. inca); 18. parvula; 16. divisa; 18. blattoides.
aa. Alarum area medio-discoidalis quam area medio-ulnaris evidenter latior.—3. mexicana ;
A. consobrina ; 5. conformis; 8. inca; 9. castanea; 10. azteca; 11. tolteca; 12. nana; 14. annulicornis; 15. couloniana; [17. bolliana].
1. Ischnoptera inzqualis, sp. n. (Tab. VI. figg. 14-17.)
Fusca vel fusco-ferruginea, antennis brunneis. Caput facie testacea, in medio et vertice nigris. Pronotum ellipticum, impressionibus distinctis, disco convexiusculo, levigato, toto nigro vel fusco vel castaneo, marginibus lateralibus testaceis, translucidis, fere sulfureis. Elytra fusca vel rufescentia, area basali marginis antici hyalina. Ale subvitree, margine anteriore et apicali latiuscule infuscato. Vena ulnaris 6-7-ramosa; preterea ramo incompleto, alterisque rudimentariis, venam dividentem haud attingentibus. Pronotum corneum, parabolicum, margine anteriore et laterali semi-elliptico, posteriore transverso, lato, subangulato, angulis lateralibus leviter rotundatis. Discus convexiusculus, impressionibus nullis, fusco- niger, marginibus lateralibus flavidis. Elytra abbreviata, primum abdominis segmentum tegentia, fusco- nigra, venis distinctis, apice late rotundata, area costali favida. Ale rudimentarie, flavicantes, segmentum mediale haud superantes, apice fuscee vel maculose.
Long. 16; pronot. 5, latit. pronot. 6°5, long. elytr. 8, latit. elytr. 5-25 millim.
Long. 21; pronot. 5:2, latit. pronot. 6-3, long. elytr. 23, latit. elytr. 6°8 millim.
Hab. Norra America, Texas.—Nortu Mexico (Mus. Genavense).
This species differs from J. couloniana (3 ) in its pronotum being more coriaceous
and quite black, except its lateral margins.
(2. Ischnoptera uhleriana, Sauss. (Tab. III. figg. 21-23.)
Ischnoptera uhleriana, Sauss. Revue et Mag. Zool. xiv. p. 169 (1862); Mém. Mex., Blatt. p. 82. 23
3.
2.
Q.
(3); Miss. Scient. Mex., Orthopt. p. 55. 2 (3).
Pallide testacea, fulva. Pronotum ellipticum, utrinque subdeflexum, circumcirca pallidius ; impressionibus disci parum profundis, obsoletis. Elytra fulvescentia. Ale subvitrex, venis testaceis, venulis costalibus medii campi marginalis incrassatis, brunneis; vena ulnari ramis apicalibus 5-6, alterisque abbreviatis 2-3. Lamina supra-analis trigonalis. (Var. fulvescens.)
Fuscescens, capite, pronoto, elytris pedibusque testaceis. Caput flavidum, facie media brunescente. Pronotum quam in ¢ minus ellipticum, subcorneum, impressionibus obliquis disci obsoletissimis ; margine posteriore minus arcuato, disco rufo-brunneo. Elytra abbreviata ad 3" abdominis segmentum extensa, fulvo-testacea, apice late rotundata, margine exteriore arcuato, apice fere regulariter rotundato, campo costali translucido, venis brunneis. Ale breviores, primum abdominis segmentum tegentes. Abdomen superne et inferne fuscum; segmentis margine laterali et posteriore testaceo. Lamina supra-analis trigonalis. Cerci testacei, basi et subtus fusci.
Long. 11°7; elytr. 6, latit. elytr. 3°6, pronot. 3°5, latit. pronot. 4°75 millim.
3. Long. 17; elytr. 17:8, latit. elytr. 5-2, pronot. 4, latit. pronot. 5-3 millim.
Hab. Norta America, Georgia, Texas, New Mexico. |
ISCHNOPTERA. 37
This species is closely allied to J. brasiliensis, Sss., from 8S. Brazil and the Argentine Republic, of which the male only is known. In this latter species the costal veins of the wing are not brown, the complete rami of the vena ulnaris are 3 or 4, and the incomplete rami also 3 or 4, and rather long.
3. Ischnoptera mexicana, Sauss. Ischnoptera mexicana, Sauss. Mém. Mex., Blatt. p. 86. 27; Brunn. de W. Syst. Blatt. p. 141. 25 ; Sauss. Miss. Scient. Mex., Orthopt. p. 64. 15, t. 2. fig. 36.
Hab. Mexico, Eastern Cordillera, Orizaba, Moyoapan.
4. Ischnoptera consobrina, Sauss. (Tab. III. fig. 24.) Ischnoptera occidentalis, Sauss. Mém. Mex., Blatt. p. 87. 28 (9); Brunn. de W. Syst. Blatt. p. 141. 23. Ischnoptera consobrina, Sauss. Mém. Mex., Blatt. p. 88. 29; Brunn. de W. Syst. Blatt. p. 141. 24; Sauss. Miss. Scient. Mex., Orthopt. p. 59. 8, t. 2. fig. 34. ©. Fusca. Caput fuscum, prominulum, maculis ocellaribus flavis. Oculi in vertice invicem parum distantes ; spatium inter illos eque latum ac longum. Pronotum corneum, opacum, fusco-nigrum, modice ellipticum, margine posteriore vix arcuato; disci impressionibus distinctis. Elytra longiuscula, castanea vel rufescentia. Als subvitres, venis fuscis, campo marginali toto infuscato, in medio opaco; area medio- discoidali lata, areee medio-ulnari fere duplo latiore. Vena ulnaris ramis apicalibus 4-5, incompletis 5-6 brevissimis. Pedes testacei vel leviter infuscati. Abdomen fusco-testaceum, apice fuscum vel subtus totum fuscum. Lamina supra-analis in medio producta, apice rotundata. Cerci fuscescentes. Var. Pronotum utrinque et antice obscure rufo-marginatum. Long. 17; pronot. 4°5, lat. pronot. 5°75, long. elytr. 20-5, latit. elytr. 5-5 millim, Hab. Nortn America, Texas.—MeExico, Guerrero (H. H. Smith), Jalisco and Vera Cruz (Schumann), Orizaba, Cordova (Mus. Genavense); Guatemala (Mus. Genavense) ;
Nicaragua, Chontales (Janson).
Seems to be very closely allied to £. rufa, Br. (from Brazil); but the wings have brown nerves, and the lamina supra-analis seems to have a different shape, not being exactly triangular. |
5. Ischnoptera conformis, sp. n. (Tab. III. fig. 25.)
©. I. consobrine formis simillima, fulvo-testacea; elytris paulo brevioribus. Pronotum illo J. consobrine conforme, totum corneum. Elytra fulva. Ale vitree, venis fulvis, campo marginali fulvescente, in medio haud opaco; venulatione ille J. consobrine conformi. Pedes pallide testacei. Abdomen apice castaneum ; lamina supra-anali tota latitudine inter cercos rotundata.
Long. 17; pronot. 4°5, latit. pronot. 5°75, long. elytr. 17, latit. elytr. 4°83 millim.
Hab. Nicaragua, Chontales (Janson).
6. Ischnoptera ignobilis, Sauss. ' Ischnoptera ignobilis, Sauss. Miss. Scient. Mex., Orthopt. p. 60. 10 *. Q@. Nigra vel castanea; elytris castaneis vel rufescentibus; pedibus frequenter pallidioribus, ferrugineis.
I. consobrinw simillima at paulo major; differt lamina supra-anali late trapezina, late truncata, oculis invicem potius magis remotis*, Ale venis rufo-testaceis vel brunneis, apice et campo anteriore brunneo—
* I was certainly mistaken when I wrote that the eyes were less distant than in J. consobrina. On the con- trary, they are separated by a space rather broader than long, and the area vitrea of the wing is also rather broader than the area medio-ulnaris. (Sauss.)
38 ORTHOPTERA.
vel rufescenti-nebulosis, area medio-discoidali quam area medio-ulnaris paulo latior, quadrato-reticulata vel areolis latioribus. Var. a. Elytra ferruginescentia ; ale venis ferrugineis, margine anteriore ferrugineo; 6. Tota rufescens. Long. 18°5; elytr. 22, pronot. 5, lat. pronot. 6°5 millim.
Hab. Guatemata (Rodriguez).— ARGENTINE REPUBLIC (Saussure).
Closely resembling J: consobrina, but very distinct in the shape of its supra-anal lamina. -
7. Ischnoptera nahua, Sauss. Ischnoptera nahua, Sauss. Revue et Mag. Zool. 1868, p. 356. 10 (g 2); Miss. Scient. Mex., Orthopt. p. 56. 6, t. 2. fig. 33.
Hab. Mexico, Eastern Cordillera, Orizaba; GuatemaLa, San Gerénimo (Champion).
8. Ischnoptera inca, sp.n. (Tab. IV. fig. 23.)
¢@. Sat minuta, castanea; caput modice prominulum, maculis 2 ocellaribus flavis. Antenne castanes, dimidia parte apicali fulvo-testacea. Pronotum ellipticum, postice parum arcuatum, antice attenuatum, coriaceum, sulcis disci profunde impressis, lobis lateralibus deflexis, subsulcatis, nec testaceis, nec translucidis. Elytra sat longa, castanea. Ale brunneo-infumate, venis fuscis; campo marginali in medio fusco-opaco. Vena ulnaris ramis apicalibus 2, minutisque transversis 6 completis. Area medio-discoidalis quam area medio-ulnaris fere duplo latior, quadrato-reticulata. Pedes pallide testacei. Abdomen castaneum, ultimo segmento ventrali magno. Lamina supra-analis apice haud producta, obtusangula, vel rotundato- producta.
¢. Lamina supra-analis grandis, apice latiuscule et longiuscule trigonali-producta, rotundata vel truncata. Cerci basi fusci, dehine fulvi, apice fusco.
Var. Rufo-castanea ; alis parum nebulosis, campo marginali et venis ferruginescentibus. Elytrorum area costalis basi lutea. Abdomen superne testaceum. (Peru.)
Long. 9°5; elytr. 10-2, pronot. 2°5, latit. pronot. 3 millim.
Hab, Guatemata, Senahu in Vera Paz (Champion).—PERU (var.).
Nearly allied to I. parvula, but differing in the colour of its antenne and in that of the margin of the pronotum, which are testaceous in J. parvula. Also very closely allied to I. castanea and J. nana, but differs in the form of the lamina supra-analis,?. The male is characterized by its lamina supra-analis and infra-genitalis being both much produced in the middle.
9. Ischnoptera castanea, Sauss. Ischnoptera castanea, Sauss. Rev. et Mag. Zool. 1869, p. 112. 14; Miss. Scient. Mex., Orthopt. p- 61.11(¢).
- I. parvule paulo major, alis longioribus. Tota castanea, pedibus rufo-testaceis, pronoto haud flavo-limbato, plus minus bi-impresso. Elytra margine costali basi frequenter pallidiore. Ale leviter infuscate, venis fusco-rufis. Venule costales longiuscule incrassate. Vena discoidalis et media venuleeque transverse testacee. Vena ulnaris ramos 3 ad apicem, ramulos minutos 3-4 ad venam dividentem emittens. Lamina supra-analis trigonalis, apice leviter rotundata, integra.
Long. 10; elytr. 10°5, pronot. 2°8, latit. pronot. 3°8 millim.
Hab. MeExico.— BRAZIL.
ISCHNOPTERA. 39
10. Ischnoptera azteca, Sauss.
Ischnoptera azteca, Sauss. Rev. et Mag. Zool. 1862, p. 170; Mém. Mex., Blatt. p. 88. 30 (3); Brunn. de W. Syst. Blatt. p: 141. 26; Sauss. Miss. Scient. Mex., Orthopt. p. 65. 17.
Blatta otomia, Sauss. Mém. Mex., Blatt. p. 104. 42, g (nec @).
Hab. MExico, temperate regions.
11. Ischnoptera tolteca, Sauss.
Ischnoptera tolteca, Sauss. Rev. et Mag. Zool. 1868, p. 356. 9 (3 2); Miss. Scient. Mex., Orthopt. p- 64. 16 (9 ¢), t. 2. fig. 37.
Hab. Mexico, temperate regions; GuatemaLa, Cerro Zunil (Champion).
12. Ischnoptera nana, sp. n.
3. J. ince simillima, at minor. Caput et pronotum rufo-castanea ; hoc marginibus lateralibus testaceo-
‘ pellucidis, impressionibus discoidalibus obsoletis. Elytra rufo-castanea. Ale hyalinw, venis testaceis ; venule costales longiuscule incrassatz ; vena ulnaris ramis apicalibus 2, incompletis 3-4. Pedes testacei ; abdomen fusco-rufidum, supra basi testaceum. Lamina supra-analis trigonalis, apice rotundata ; infra- genitalis stylis 2 normalibus.
3. Long. 8; elytr. 8, pronot. 2°75, latit. pronot. 3 millim.
Hab. Nicaragua, Chontales (Janson).
Extremely close to Z. inca, but the pronotum with transparent margins and with very slight impressions; the Jamina supra-analis not so broadly produced, triangular, and not truncated. se
13. Ischnoptera parvula, Sauss. Ischnoptera parvula, Sauss. Rev. et Mag. Zool. 1869, p. 112. 18; Miss. Scient. Mex., Orthopt. p- 62. 12 (2); Mélang. Orth. ii. fase. iv. p. 102.3 (¢ 2).
9. Minuta, castanea, subtus testacea. Caput castaneum. fPronotum castaneum, marginibus anteriore et lateralibus luteis ; elytrorum margine costali pallescente. Ale 2 obtuse, vitrex, margine costali inqui- nato; vena ulnari ramis completis 2, incompletis minutis 3-4, Abdominis basis et pedes lutei. Lamina supra-analis 9 sat longa, apice truncata, subrotundata. Cerci fusci.
¢. Lamina supra-analis longe producta, acutangula, apice hebetato, laminam infra-genitalem, superante ; lamina infra-genitalis trapezina, truncata, angulis rotundatis, nonnunquam irregularis.
9. Long. 8°8; elytr. 8°5, pronot. 2°5, latit. pronot. 3°25 millim.
d. Long. 8-2; elytr. 8, pronot. 2, latit. pronot. 2°75 millim.
Hab. Nicaracua, Chontales (Janson).—Brazit; Cusa (Saussure).
The Nicaraguan specimen here described is of a browner colour than those from Cuba, with the pronotum distinctly margined with yellow. The lamina supra-analis is also less produced, and rather more truncated and rounded at the tip. The males from Cuba have the lamina supra-analis very triangular, prominent, with the tip truncate- rounded ; the lamina infra-genitalis rather short, rounded, irregular, with one stylus ‘near the middle.
40 ORTHOPTERA.
14. Ischnoptera annulicornis, sp. n.
9. Statura media, nigro-castanea vel fuscescens. Caput nigrum; oculis invicem remotis. Antenne nigre, piloselle, in medio vel ultra medium annulo albido (art. 6). Pronotum nigrum, bi-impressum, margine postico transverso, subangulato. Elytra parum elongata, tamen cercos superantia, castanea vel rufo- castanea, margine costali obsolete flavicante. Ale nebulosw, venis ferrugineis ; campo marginali ferru- ginescente, venulis costalibus crassis, ultimis apice incrassatis. Area medio-discoidalis quam area medio- ulnaris latiore. Vena ulnaris ramos apicales 3, incompletos 4-5 emittens. Campus posterior venis spuriis et transversis hyalinis. Coxe partim testacee. Abdomen basi fusco-testaceum. Lamina supra-analis trigonalis, producta, apice rotundata, ultimum segmentum ventrale superans.
Long. 13; pronot. 3, latit. pronot. 4; long. elytr. 12-5, latit. elytr. 4 millim.
Hab. Guatemata (coll. Dohrn).
15. Ischnoptera couloniana, Sauss.
Ischnoptera couloniana, Sauss. Rev. et Mag. Zool. 1862, p. 169; Mém. Mex., Blatt. p. 83. 24(¢); Miss. Scient. Mex., Orthopt. p. 63. 18 *.
Majuscula, fusco-testacea. Pronotum ellipticum, valde bi-impressum, disco medio inter sulcos ineequali, fusco, marginibus circumcirca testaceis. Elytra et ale elongata, fusco-ferrugineo-inquinata. Alarum vena ulnaris ramulis basalibus incompletis 3-4.
Var. Elytris et alis testaceis.
Long. 21; pronot. 4°5, latit. pronot. 6°5; long. elytr. 23°25, latit. elytr. 6°5 millim.
Hab. Nortu America, Texas.—MExIco.
Nearly allied to J. pennsylvanica (De Geer); but that species has the disc of the pronotum more corneous, without small impressions. Most probably the female has abbreviated wings, as in I. inequalis (No. 1).
16. Ischnoptera divisa, sp. n.
¢. Fusco-testacea. Caput infuscatum, vertice flavido. Pronotum ellipticum, sulcis perspicuis ; disco castaneo, per vittam flavidam diviso ; margine circumcirca pallide testaceo. Elytra hyalino-testacea, venis testaceis, vena humerali basi fusca. Ale vitrese, venis fusco-testaceis. Vena ulnaris ramis apicalibus 3, incom- pletis 1-2, instructa. Pedes pallide testacei. Abdomen infuscatum, margine laterali testaceo; lamina supra-anali rotundata.
é. Long. 14°5; elytr. 14-5, latit. elytr. 4:25; pronot. 3-5, latit. pronot. 5 millim.
Hab. NortH AmERica, Georgia (Mus. Genavense).—NortaH Mexico.
[17. Ischnoptera bolliana, sp. n.
3. Sat minuta, fulva. Capite sat prominulo, castaneo. Pronotum ellipticum, castaneum vel fulvum, lateribus testaceo-pellucidis ; sulcis disci perspicuis, Elytra fulvo-testacea, vel basi rufescentia, parum elongata. Ale vitrex, venis flavidis, venulis costalibus leviter incrassatis; campo marginali fulvescente. Vena ulnaris ramis apicalibus 2-3, incompletis 2-3. Pedes fulvi. Abdomen nonnunquam infuscatum. Lamina supra-analis rotundata. Cerci nonnunquam basi fusca.
Var. Pronoti discus castaneus per fasciam longitudinalem flavidam oboletam divisus.
Long. 12:2; elytr. 12-5, latit. elytr. 4; pronot. 3, latit. pronot. 3°8 millim.
Hab. Nortu America, New Mexico, Texas (Mus. Genavense). |
* This species has not been figured; the citation in its synonymy in the works &c. quoted, as also ‘ Mél. Orthopt.’ i. fig. 21, should be suppressed, having been given by mistake.
ISCHNOPTERA.—BLATTA. Al
18. Ischnoptera blattoides, Sauss.
Epilampra blattoides, Sauss. Mélang. Orthopt. i. 1° fase. no. 16 (1868).
Blatta capitata, Sauss. Mém. Mex., Blatt. p. 114. 53, t. 1. fig. 19 (g) (1864).
Ischnoptera capitata, Brunn. de W. Syst. Blatt. p. 140.21; Sauss. Miss. Scient. Mex., Orthopt. p. 54. 1, t. 2. fig. 31 (¢) (1872).
Hab. Mexico.—Brazit; Cupa.—E. Inpres &c.
This species we suppose to be of Asiatic origin, having been imported into America, where it is becoming widely spread.
BLATTA, Linn. Blatta, auctt. Phyllodromia, Serville, Orthopt. p. 105; Brunner de W. Syst. Blatt. p. 88. Liosilpha * (partim), Stal, Recherches sur le systéme des Blattaires (Bihang till k. Sv. Vet.-Akad. Handl. ii. p. 10) (1874).
Synopsis specierum.
1. Alarum vena ulnaris indivisa vel furcata.—Buarta, L. Fulvo-testacea, pronoto nigro-bivittato.—1l. germanica, L. 11. Alarum vena ulnaris ramosa.—PuyLLopRomia, Serv. a. Femora anteriora subtus et ad apicem dense spinulosa. ‘Lamina supra-analis 9 apice incisa. (Liosilphat, Stal.) (Cf. Tab. IV. fig. 21.) 6. Klytra 2 ¢ membranacea, abdomen superantia. Species testaceze. c. Magna, testacea. Venule costales alarum graciles.—2. nahua, sp. n. cc. Minores. Elytra 9 abdomen vix superantia. d. Alarum venule costales clavate. e. Major. Venule costales alarum elongato-clavate, fusce.—3. brunne- riana, Sss. ee. Minor. Venule costales breviter et crasse clavate.—4. delicatula, Gueér. dd. Alarum venulz costales incrassate, sed vix vel haud clavate.—5. azteca, sp. n.; 6. alaris, sp. n. 6b. Elytra 2 abdomen haud superantia plus minus coriacea, ¢ longiora. c. Pronotum vittis 2 latis nigris.—7. totonaca, Sss. cc. Pronotum testaceum, haud vittatum : d. disco fusco. Hlytra umbrata, in medio fascia vel notula pallida.—[8. supel- lectilium, Serv.] dd. Tota testacea. Lamina supra-analis ¢ bilobata.—9. fraterna, sp. n.
* This genus cannot be maintained. It is based only on the fact that the supra-anal plate is emarginate at the tip. This character is not generic; it is to be found also in the second section (aa) of Blatta, so that one would have to divide the genus Blatta into five genera if it was used. It is present also in Isehnopiera and in several other genera of Blattine.
t Established on Blatia adspersicollis, Stal, from Brazil.
BIOL. CENTR.-AMER., Orthopt., October 1893. eg
42 ORTHOPTERA.
aa. Femora anteriora subtus ut in typo Platamode (antéa, p. 30) armata. 6. Lamina supra-analis @ integra, late triangularis, acuta. (Elytra 9 parum elon- gata.) (Species testacez.) . c. Lamina supra-analis sulco divisa.—10. dilatata, Sss. cc. Lamina supra-analis indivisa.—11. vitrea, Br. 6d. Lamina supra-analis 2 minute incisa. (Hlytra 2 abdominis longitudine.) c. Sat minuta, castanea, testaceo-marginata.—12.. orizabe, Sss. cc. Testaceze, pronoti disco consperso vel flavido. d. Minor, pallida; elytris abdomen parum superantibus.—13. acolhua, Sss. dd. Majores. e. Pronoti disco flavido; lamina supra-anali 9 breviter fissa.—14. maya, sp. n. ee. Pronoti disco fusco-marmorato.—15. zapoteca, Sss. aaa. Incertz sedis. — 6. Lamina supra-analis d obtusangula. (Femina ignota.)—16. chichimeca, Sss. 6b. Lamina supra-analis trigono-rotundata.—17. mexicana, Sss.
1. Blatta germanica, Linn. Blatta germanica, Linn. Syst. Nat. 12th edit. i. 2, p. 688. 9, et auctt. Phyllodromia germanica, Brunn. de W. Syst. Blatt. p. 90. 1, fig. 7. Phyllodromia bivittata, Serville, Orthopt. p. 108. 37. Blatta bivittata, Saussure, Mém. Mex., Blatt. p. 102. 41 (nec auctt.).
Femora anteriora subtus et ad apicem spinulosa. Lamina supra-analis ¢ grandis, plana, acute trigonalis, retro valde prominula.
Hab. Mexico; CentraL AMERICA. Species in toto orbi occurrens, verisimiliter ex Asia diffusa.
2. Blatta nahua, sp.n. (Tab. IV. figg. 19-21.)
Valida, tota pallide testacea, abdomine fusco-testaceo. Oculi invicem sat propinqui, a supero visi conver- gentes. Facies maculis fuscis 4 invicem valde remotis in lineam transversam dispositis, necnon inter antennas 2, frequenter obsoletis; frons supra antennas linea transversa fusca; vertex inter oculos vitta transversa fusca. Pronotum pellucidum, subellipticum, margine posteriore in medio subproducto. Discus totus flavidus, impressionibus parum profundis, punctis nonnullis fuscis regulariter ordinatis, quarum 2 majoribus in parte postica disci. Elytra grandia. Ale subvitres, venis testaceis, leviter brun- neis ; venulis costalibus apice parum sed longe incrassatis ; vena ulnaris 4—5-ramosa ; vena axillaris 3- ramosa. Venule campi antici omnes transverse, regulares; ille arew ulnaris. inter ramos frequenter in medio interrupts. Pedes ad apicem tibiarum et articulorum tarsorum, et ad exsertionem spinarum fusco- notati vel punctati. Femora anteriora in margine externo spinis longis 4, basi inermia; in margine interno spinis longioribus 4-5 minoribusque 9-10. Abdomen supra fuscescens, subtus minus umbratum vel brunneo-irroratum, frequenter tota longitudine in medio fuscum; segmentis utrinque puncto fusco. Cerci elongati, articulis 5 ultimis elongatis, apice imo fusco.
@. Lamina supra-analis late trigonalis, apice semicirculariter incisa, angulis distinctissimis.
Ultimum segmentum ventrale ad apicem nigrum.
3. Lamina supra-analis rotundata, subincisa, infragenitalem superans. Cerci ultra medium graciles, articulis 6 ultimis valde discretis, 4 submoniliformibus, 4 moniliformibus, 2 ultimis gracillimis, ultimo nigro.
Lamina infra-genitalis transversa, inter stylos late transversa, vix arcuata; styli invicem valde remoti, ad cercos appositi.
BLATTA. 43
Var. minor? Magis testacea; alis venis subfuscis. ¢. | 9. Long. 15; elytr. 17:5, latit. elytr. 5°75, pronot. 4:2, latit. pronot. 6 millim. 3d. Long. 15; elytr. 19, latit. elytr. 5-5, pronot. 4, latit. pronot. 6 millim. Hab. Mexico (Sumichrast), Atoyac in Vera Cruz (Schumann), Tabasco (H. 4. Smith). |
Comp. Blatta chichimeca (no. 16).
3. Blatta brunneriana, Sauss. . Blatta brunneriana, Sauss. Rev. et Mag. de Zool. 1868, p. 98.7; Miss. Scient. Mex., Orthopt. p- 82. 8, t. 1. fig. 20 (1870).
Hab. Mexico, Eastern Cordillera (Sumichrast).
4. Blatta delicatula, Guér. Blatta delicatula, Guér. Ins. de Cuba (Ramon de la Sagra), p. 346; Sauss. Mém. Mex., Blatt. p. 104. 43, fig. 17; Miss. Scient. Mex., Orthopt. p. 33. 9.
Hab. Mexico.—ANTILLEs, Cuba.
5. Blatta azteca, sp. n.
©. Testacea. Pronotum ellipticum, translucidum, disco ochraceo vel leviter brunneo-irrorato, vitta media pallidiore obsoletissima. Elytra abdomen superantia. Ale subhyaline, venis campi antici et intermedii ferrugineis, campus anterior dimidia parte apicali vel apice ferruginescente; venis costalibus 6—7 primis apice longe leviter incrassatis; vena ulnari 4—5-ramosa, ramis partim furcatis. Campus intermedius ad venas ferruginescens. Campus radialis subvitreus, venis brunneis. Abdomen supra fuscescens. Lamina
supra-analis distincte trigonali-incisa, ultimum segmentum ventrale prominulum, apice frequenter com- pressum.
Long. 11°8; elytr. 14, latit. elytr. 4, pronot. 3°25, latit. pronot. 4:8 millim. Hab. Mexico, Teapa in Tabasco (H. H. Smith).
This species is very closely allied to B. brunneriana. It has the pronotum somewhat larger and the wings not infuscated. In B. brunneriana the first nine of the vene costales are much more thickened and clavated, being terminated by elongated brown thickenings. B. azteca also much resembles B. alaris; but the wings are not reticulated with brown colour, and the vene costales are more thickened. The second branch of the vena mediastina forms three vene costales, and the lamina infra-genitalis is much produced beyond the last ventral segment.
6. Blatta alaris, sp. n.
9. Testacea. Caput inferius fusco varium. Oculi remoti. Pronotum ellipticum, disco flavicante, punctis nonnullis fuscis. Elytra abdomen superantia, parum elongata. Ale venis fuscis ; campo anteriore fusco- reticulato, venis costalibus parum numerosis, apice vix incrassatis; vena ulnari 3—4-ramosa. Pedes testacei. Abdomen rufo-flavescens, leviter fusco-umbratum, marginibus pallidis. Lamina supra-analis late trigonalis, apice brevissime fissa, ab ultimo segmento ventrali parum superata. Cerci graciles.
Long. 11-25; elytr. 11, latit. elytr. 4, pronot. 3, latit. pronot. 5 millim.
ag 2
44 ORTHOPTERA.
Hab. Mexico, Teapa in Tabasco (H. H. Smith).
Very close to B. azteca, but somewhat smaller; the lamina supra-analis very slightly split at the end; the wings rather shorter; the vena mediastina forming only two branches.
7. Blatta totonaca, Sauss. Blatia totonaca, Sauss. Rev. et Mag. de Zool. 1869, p. 165; Mém. Mex., Blatt. p. 101. 40; Miss. Scient. Mex., Orthopt. p. 37. 18, t. 1. fig. 23.
Hab. Mexico, Orizaba (Mus. Genavense).
[8. Blatta supellectilium, Serv.
Phyllodromia supellectilium, Serv. Orth. p. 114. 44; Brunn. de W. Syst. Blatt. p. 98.11 (1865) ; Savigny, Descript. de Egypte, Orth. t. 2. fig. 19; Sauss. Miss. Scient. Mex., Orthopt. p. 39. 14,
Blatia cubensis, Sauss. Rev. et Mag. de Zool. 1862, p. 166; Mém. Mex., Blatt. p. 108. 46, figg. 14,15 (22).
Phyllodromia cubensis, Brunn. de W. Syst. Blatt. p. 109. 29.
Hab. Braziu; ANTILLES, Cuba (Saussure).—TropicaL AFrica (Mus. Genavense) ; MavritIivs. |
9. Blatta fraterna, sp. n.
3. Sat minuta, testacea. Oculi remoti. Frons inter illos vitta, necnon linea transversa supra-antennali, fuscis. Facies punctis nonnullis fuscis. Pronotum ellipticum, margine posteriore vix arcuato, disco flavicante, punctis rarioribus fuscis. Elytra sat brevia, abdomen superantia. Ale vitrew, venis fusco- testaceis; margine anteriore in medio fusco-umbrato; venis costalibus paucis, vix incrassatis. Pedes testacei. Lamina supra-analis trapezina laminam infra-genitalem superans, obtusangulatim incisa, leviter late bilobata. Cerci longissimi, apice articulis valde discretis, ultimo apice fusco. Lamina infra-genitalis
margine posteriore lato, leviter arcuato, subinciso, stylis invicem valde remotis ad angulos laterales positis. Pedes testacei.
Long. 11°5; elytr. 11, latit. elytr. 4, pronot. 4, latit. pronot. 5°25 millim. Hab. Nicaragua, Chontales (Janson).
A species much resembling B. nahua in the form of its anal parts, but smaller; the
eyes more distant, not strongly convergent from above; the elytra much shorter; and the wings with much less numerous costal veins.
10. Blatta dilatata, Sauss. Blatta dilatata, Sauss. Rev. et Mag. de Zool. 1868, p. 98. 6 (9); Miss. Scient. Mex., Orthopt. p. 32. 7, t. 1. fig. 19 (9) (nee ¢, ad Bl. vitream pertinens).
Lamina supra-analis ? trigonalis, sulco divisa, ultimum segmentum ventrale haud superans. Long. 10; elytr. 9°75, pronot. 3:4, latit. pronot. 5:2 millim.
Hab. Mexico, Orizaba.
BLATTA. 45
11. Blatta vitrea, Brunn. Phyllodromia vitrea, Brunn. de W. Syst. Blatt. p. 109. 28(¢). Blatta vitrea, Sauss. Miss. Scient. Mex., Orthopt. p. 30. 6, t. 1. fig. 18 (¢). Blatta dilatata, Sauss. Rev. et Mag. de Zool. 1868, p. 98. 6 (g') (nec ?, cfr. no. 10).
Hab. Mexico, Eastern Cordillera, Sierra de Moyoapam (Saussure).
12. Blatta orizabe, Sauss.
Blatta orizabe, Sauss. Rev. et Mag. de Zool. 1868, p. 355. 8 (gf ?) ; Miss. Scient. Mex., Orthopt. p. 89. 15, t. 1. figg. 24, d.
Hab. Muxico, Eastern Cordillera, Orizaba (Saussure).
13. Blatta acolhua, Sauss.
Blatta acothua, Sauss. Rev. et Mag. de Zool. 1868, p. 99.8 (2); Miss. Scient. Mex., Orthopt. p. 40. 16, t. 1. fig. 25 a.
Hab. Mexico, Eastern Cordillera ( Saussure), Vera Cruz (Schumann), Teapa in Tabasco (H. H. Smith).
14. Blatta maya, sp. n.
Pallide testacea, leviter rufescens ; pronoti disco rufo-flavido vel obsolete brunneo-irrorato. Elytra mediocriter longa, leviter fulvescentia. Ale ample, venulis transversis campi antici fuscis; venis costalibus apice leviter incrassatis, haud coloratis. Lamina supra-analis 9 trigonalis, basi carinata, apice breviter fissa, obtuse bidentula, ¢ transversa, margine postico arcuato. Lamina infra-genitalis ¢ in medio producta et impressa, truncata, angulis rotundatis, stylis brevibus, apicalibus, invicem propinquis instructa.
Long. 12; elytr. 12°5, pronot. 4, latit. pronot. 5 millim.
Hab. Mexico, Temax in North Yucatan (Gawmer).
15. Blatta zapoteca, Sauss.
Blatta zapoteca, Sauss. Rev. et Mag. de Zool. 1862, p. 166; Mém. Mex., Blatt. p. 105. 445 3 s Scient. Mex., Orthopt. p. 34. 10, t. 1. fig. 21.
@. Media, fulvo-testacea ; abdomine fusco vel infuscato. Antenne basi fusce. Caput nigrum, vertice inter oculos flavido, lineolis 4 fuscis ; ocellis, macula inter antennas alteraque clypei, flavis. Oculi a supero visi convergentes, invicem remoti. Pronotum testaceum, ellipticum, margine postico vix arcuato, disco fusco-marmorato, amcene multipicturato, lateribus frequenter fusco-punctatis, margine laterali subtiliter fusco. Elytra modice longa, abdomen superantia, fulvescentia, vena humerali et discoidali basi fuscis. Ale subvitreze, venis fusco-testaceis; margine anteriore et apice fulvescentibus ; venis costalibus apice elongato-incrassatis. Pedes testacei, ad spinas fusco-punctati. Femora superne et interdum subtus fusco- marginata. Tibie et articuli tarsorum apice fusci. Lamina supra-analis trigonalis, carinata, apice angulato-incisa. Segmentum ventrale haud superans. Cerci modice longi.
Var. Caput testaceum, fusco-maculatum. Abdomen piceum vel testaceum. Femora vix fusco-marginata.
Long. 14°5; elytr. 13, pronot. 4, latit. pronot. 6°25 millim.
Hab. Mexico (Saussure); Guatemaua, Capetillo (Champion). A very distinct species, remarkable on account of the curious brown picturing of its
pronotum, marmorated with regular drawings, sometimes imitating flowers, or, if more brown is present, with yellow spots.
46 ORTHOPTERA.
16. Blatta chichimeca, sp.n. (Tab. IV. fig. 22.)
g. Testacea. Caput subtus punctis 4 brunneis. Oculi in vertice sat remoti, a supero fere paralleli, ab antico in medio leviter producti, rotundati. Pronotum ellipticum, margine posteriore leviter arcuato, in medio haud producto ; discus flavidus, remote brunneo-punctatus. Elytra abdomen superantia. Ale vitres, venis brunneis; venis costalibus parum numerosis, longe levissime incrassatis. Vena ulnaris 4~5-ramosa. Venuls transverse ares ulnaris antice et postice incomplete, inter ramos complete sed parum numerose ; prime invicem remote. Vena axillaris posterius biramosa (anterius nonnunquam ramum incompletum ad venam dividentem emittens), subtus marginibus plus minusve brunneis. Tibia ad exsertionem spinarum brunneo-punctate. Abdomen infuscatum vel fusco-marmoratum, marginibus testaceis; segmenta ultima pallidiora vel testacea. Lamina supra-analis transversa, inter cercos leviter producta, obtusangu- lata (angulo apicali frequenter deflexo). Cerci testacei, modice longi, articulis basalibus transversis, articulis ultimis tribus paulo longioribus, haud moniliformibus, marginibus potius serratis. Lamina infra- genitalis supra-analem superans in medio inter stylos rotundato producta ; styli bini invicem minus remoti quam a cercis.
Long. 13:5; elytr. 15, latit. elytr. 4-8, pronot. 3°5, latit. pronot. 5°25, long. cercorum 2°6 millim.
Hab. Mexico (Saussure), Mexico city (Forrer), Cuernavaca in Morelos (H. H. Smith).
This insect much resembles B. nahua, Sauss. It is a little smaller; the wings are not so regularly reticulated; the eyes are more distant, not convergent above; and the cerci are shorter (not moniliform, as in B. nahua, 3). The lamina supra-analis and the lamina infra-genitalis are very differently formed in the two species. B. chichimeca may prove to be the male of &. zapoteca, Sauss. (t); but it does not possess the same brown picturing of the body, and the elytra are less fulvous, more transparent.
17. Blatta mexicana, Sauss.
Blatita mexicana, Sauss. Rev. et Mag. de Zool. 1864, p. 811. 14; Miss. Scient. Mex., Orthopt. p. 28. 3.
Hab. Mexico (Mus. Parisiense).
PSEUDOPHYLLODROMIA, Brunn.
Pseudophyllodromia, Brunner de W. Syst. Blatt. p. 111 (1865). Ellipsidion, Saussure, Rev. et Mag. de Zool. 1864, p. 312 (ex parte).
Synopsis specierum.
1. Femora anteriora subtus in marginis anterioris dimidia parte apicali spinulis minimis pili- formibus instructa (ad typum Platamodem (antéa, p. 30) pertinentia). Elytra angusta, margine costali subsinuato, venis discoidalibus 2-3. Ale parum venosz, vena ulnari 2-3- ramosa.— PsEUDOPHYLLODROMIA, Br.*
Rufo-castanea, abdomine rufo-flavo ; pronoti disco nigro, luteo-lineolato.—1. venosa, Sss. 1]. Femora anteriora margine anteriore spinis numerosis et ad apicem armata. Elytra latiora, margine costali arcuato, multivenosa. Alarum campus anterior latus, multivenosus, poste- rior reticulatus.—MacropHyLLopRoMIA f, nob. Valida, rufescens; pronotum flavidum, nigro-bivittatum.—2. maximiliani, Sss.
* The venulation of the elytra much resembles that of Thyrsocera.
+ The venulation of the elytra and wings is very different from that of PhyWodromia, Thyrsocera, and allied genera; it is more like that of Nyctobora.
PSEUDOPHYLLODROMIA.—CERATINOPTERA. AT
1. Pseudophyllodromia venosa, Sauss. (Tab. III. fig. 30.) Blatia venosa, Sauss. Rev. et Mag. de Zool. 1864, p. 310. 13; Mém. Mex., Blatt. p. 106. 45.
Subtus testacea. Caput rufescens; palpis albidis, basi fuscis. Antenne fusce, articulis primis 2 sequenti- busque subtus luteis, scapo apice puncto fusco. Vertex late prominulus. Pronotum transverse ellipticum, margine posteriore in medio leviter producto, rotundato. Discus fusco-niger, linea longitudinali in medio angustata, punctis 2 in medio disco, vittaque utrinque irregulari vel interrupta flavis; marginibus latera- libus testaceo-pellucidis. (Variat disco nigro, flavido-multiguttato.) Elytra rufo-castanea, elongata, angusta ; margine costali ultra medium subsinuato, in requiete abdominis margines obtegentia et super- antia ; margine costali basi vittisque inter venas costales, 2 in campo anali, 1 inter venam discoidalem et ulnarem basi, alteraque brevi ad basin arew medio-discoidalis, luteis. Vena discoidalis tantum furcata, ultra furcam curvata (ut in g. Thyrsocera), vene longitudinales campi discoidalis propter hoc tantum 3. Ale leviter griseo-flavicantes, splendide nitide, venis rufo-castaneis. Venule costales fusce, longe in-
- crassate ; margo costalis magna parte fuscus. Vena ulnaris biramosa. Venule transverse campi radiate inter radios tantum 1; inter ramos axillares et inter radios internos 2. Pedes testacei. Abdomen rufo- aurantium. Cerci longiusculi, rufescentes, frequenter fusco- umbrati, apice graciles, acuti. ,
©. Lamina supra-analis brevis, valde transversa, margine postico transverso; segmentum ventrale ultimum trigonali-incisum.
do. Lamina supra-analis brevis, transversa, margine postico obtusangulato, rotundato. Lamina infra-genitalis parabolica, in medio stylis 2 crassis instructa.
Var. Abdomen fascia intramarginali fusca, margine pallido. Ale apice leviter infuscatea.—b. Elytra vittis luteis nullis.
Long. 9°25; elytr. 9°5, pronot. 2°5, latit. pronot. 3°6 millim.
Hab. Mexico (Saussure), Teapa in Tabasco (H. H. Smith).
I first described this species under the name Blatta venosa (loc. cit.). Subsequently (Miss. Scient. Mex., Orthopt. p. 44.3) I united it with B. angustata, Latr., from Colombia, Guiana, and Peru; but it is perhaps distinct from that species, the ulnar vein of the wing having only two branches, and the apical margin being not or only very slightly infuscated, while in &. angustata the wings are infuscated on the apical margin and have three ulnar branches. It is difficult to decide whether B. venosa and B. angustata are to be considered as distinct, or as mere varieties of one and the same species (Saussure).
Many specimens were sent by Mr. Smith from Tabasco.
2. Pseudophyllodromia maximiliani, Sauss. Pseudophyllodromia maximiliani, Sauss. Mélang. Orthopt. 1. 2° fasc. p. 100. 3, fig. 35.
Hab. Mexico (Mus. Genavense).
CERATINOPTERA, Brunn. Ceratinoptera, Brunn. de W. Syst. Blatt. p. 75; Saussure, Miss. Scient. Mex., Orthopt..p. 20.
Caput crassiusculum, convexum, oculis valde remotis. Pronotum corneum antice et postice truncatum, utrinque deflexum, disci impressionibus nullis vel vix ullis. Elytra cornea. Als venis costalibus brevibus parum obliquis; vena ulnari ramos apicales emittenta. Femora spinosa; anteriora margine interno dimidia parte basali spinis 4-5, dimidia parte apicali inermi. (Lamina supra-analis majuscula, ? incisa, ¢ trigonalis vel transversa.) Cerci parum elongati, depressi, acuti, 9-articulati.
48
ORTHOPTERA.
Synopsis specierum.
a. Castanea. Elytra 9? ¢ abdomen superantia. Lamina supra-analis plana, polita, trigonalis.—
1. olmeca, Sss.
aa. Testacee, crassiuscule ; lamina supra-anali ¢ incisa.
b. Pronoto lineis 2 arcuatis elytrisque vitta undata, fuscis. Lamina supra-analis 3 truncata. —[2. diaphana, Fabr.] 6b. Pronoti disco flavido, fusco-punctato ; elytris pellucidis. Lamina supra-analis ¢ trans- versa.—[3. lutea, sp. n.]
1. Ceratinoptera olmeca, Sauss.
Ceratinoptera olmeca, Sauss. Rev. et Mag. de Zool. 1868, p. 354. 3 (? ¢); Miss. Scient. Mex.,
Orthopt. p. 20. 2, t. 1. figg. 17a, 175.
Hab. Mexico, Orizaba (Saussure).
[2. Ceratinoptera diaphana, Fabr. (Tab. III. figg. 27-29.)
Blatta diaphana, Fabr. Ent. Syst. ii. p. 11. 25; Burm. Handb. ii. p. 496.3; Sauss. Mém. Mex.,
Blatt. p. 95. 35.
Ceratinoptera diaphana, Brunn. de W. Syst. Blatt. p. 76. 1; Sauss. Miss. Scient. Mex., Orthopt.
p. 20. 1.
Latiuscula, pallide testacea. Frons inter oculos fusca. Pronotum latum, corneum, antice truncatum, disco
flavido, circumcirca fusco-marginatum, utrinque margine fusco undato ; margine posteriore fusco ; disco medio pictura anchoriformi fusca, postice fusco-punctato. Elytra abdomen vix superantia, diaphano- testacea, vitta undata castanea, apice rufescente (vel campo discoidali fusco-rufo, basi inter venam hume- ralem et analem fusco, dehinc extus pallide sinuato; venis costalibus partim fusco-rufis). Sulcus analis tantum apice perspicuus, ad medium marginem suturalem desinens. Al subvitree, campo anteriore apice brunescente, vena ulnari 3-ramosa. Pedes testacei; femora antica supra fusco-lineata, subtus margine anteriore spinulis piliformibus minimis instructo, Abdomen latiusculum, nigrum, marginibus luteis. Lamina supra-analis ? late trigonalis, apice minute incisa; ¢ late trapezina, apice subsinuata, angulis. rotundatis. Cerci fusiformes, depressi, longe pilosi, margine interno et ante apicem fusco-umbrati. Lamina infra-genitalis ¢ rufescens, stylis crassis inequalibus instructa.
Var. Pronoti discus anterius haud fusco-limbatus. Long. 7°5; elytr. 6°75, pronot. 3, latit. pronot. 4°5 millim.
Hab. ANTILLES, Cuba, Porto Rico, St. Thomas (Mus. Genavense). |
[3. Ceratinoptera lutea, sp. n.
Sat minuta, pallide testacea. Antenne brunnes, parte basali longe testacea. Caput nonnunquam brunneo-
punctatum, fronte inter oculos linea fusca, velimmaculatum. Pronotum obsolete bi-impressum, rotundato- trapezinum, pellucens, disco et margine postico flavido; illo fusco-punctato et lineolato vel immaculato. Elytra $ abdominis longitudine, venis perspicuis. Ale subvitrese vel flavicantes, venis decoloribus vel partim aurantiis, margine costali et apice fulvo-rufescentibus. Vena ulnaris recta, indivisa vel apice furcata. Apex inter campos area membranacea trigonali intercalata minuta instructus; margo apicalis Q subsinuatus, ¢ sinuatus. Pedes pallide testacei; tibiis supra ad spinas fusco-punctatis, Femora anteriora nonnunquam subtus fusco-lineata, margine interno toto spinoso. Abdomen plus minus infus- eatum, marginibus pallidis, vel haud infuscatum. Cerci fusco-varii— 9. Lamina supra-analis transversa,
CERATINOPTERA,.—ANISOPYGIA. 49
in medio incisa.—g. Elytra paulo longiora lamina supra-analis transversa, integra. Lamina infra- genitalis subtransversa, margine arcuato, stylis 2 minimis fuscis.
Q. Long. 7°5; elytr. 5, pronot. 2, latit. pronot. 3 millim.
3. Long. 6-5; elytr. 5-6, pronot. 2, latit. pronot. 3 millim.
Hab. Nortu America, Georgia, Louisiana.
This species will probably be found in North Mexico. |
PARACERATINOPTERA, Sauss.
Paraceratinoptera, Saussure, Rev. et Mag. de Zool. 1868, p. 358; Miss. Scient. Mex., Orthopt. p. 87.
1. Paraceratinoptera nahua, Sauss.
Paraceratinoptera nahua, Sauss. Rev. et Mag. de Zool. 1868, p. 357. 14( 2 g); Miss. Scient. Mex., Orthopt. p. 87. 1, t. 1. fig. 30, t. 2. figg. 47, 47 z.
Hab. Mexico (Saussure); Guatemaua (coll. Dohrn).
2. Paraceratinoptera dohrniana, sp. n.
3. Obscure testacea. Caput castaneum, ore et ocellis testaceis. Antenne fuses, apice rufescentes. Prono- tum fusco-castaneum, corneum, impressionibus nullis; marginibus lateralibus deflexis, arcuatis; margine posteriore late transverso, subangulato; disci prope basin maculis 2 marginibusque lateralibus angustissime fulvis. Elytra abdomen superantia, rufo-castanea, venis obsoletis, apice membranacea ac pallidiora. Ale subhyaline, venis testaceis, venulis costalibus 7-8 elongato-clavatis, brunneis; vena ulnari tantum apice breviter furcata vel biramosa. Pedes obscure testacei. Femora antica subtus margine anteriore spinulis minimis piliformibus obsita, margine posteriore spina unica; femora reliqua in utroque margine spinosa. Abdomen testaceo-piceum. Lamina supra-analis trigonalis, leviter incisa. Cerci longiusculi, depressi, fusi- formes. Lamina infra-genitalis stylis 2 crassis instructa.—A P. nahua differt elytris et alis longioribus, sulco anali valde impresso.
Long. 9; elytr. 9, pronot. 2°75, latit. pronot. 3°5 millim.
Hab. Guatemata (coll. Dohrn).
ANISOPYGIA*, Sauss. (Tab. I. figg. 25, 26.) Anisopygia, Saussure, Societas Entomologica, 1893, p. 57.
3. Habitus et forme generis Ceratinoptere. Antenne crassiuscule. Caput convexum, oculis valde remotis. Pronotum corneum, anterius et posterius truncatum, utrinque deflexum. LElytra cornea, abbreviata. Ale minute. Segmentum dorsale ultimum valde sinuatum. Lamina supra-analis maxima, in partes 2 inequales fere usque ad basin divisa, dextra rotundata, sinistra angustior, apice hebetata. Cerci mediocres, depressiusculi. Lamina infra-genitalis ¢ irregularis, stylis inequalis instructa.—Femine ignote.
This remarkable genus may be known by the irregular anal segment, which has the dorsal plate very deeply divided into two large irregular lobes. We find a sort of transition to that anomaly in some species of Blatta, in which the end of the lamina supra-analis is notched in an irregular way, its angles forming two small unequal processes arched one against the other (B. adspersicollis, Stal).
* dyvoos, unlike; ruyi, buttock. BIOL. CENTR.-AMER., Orthopt., October 1893. Hh
50 ORTHOPTERA.
1. Anisopygia jocosicluna, Sauss. (A. jocosiclunis, Tab. I. figg. 25, 26.)
Anisopygia jocosicluna, Saussure, Societas Entomologica, 1893, p. 57.
3. Fusco-castanea. Antenne basi rufescentes; os et ocelli fulvi. Pronotum impressionibus vix ullis, sparse punctatum, margine anteriore et lateralibus flavo-fulvis; margine posteriore vix angulato. LElytra abdominis segmenta 3-4 tegentia, apice rotundata, venis distinctis; area costali fulvo-flava, margine suturali sese leviter tegentia. Ale minute, rotundate, venis et margine anteriore fusco-rufis, vena mediastina ramulis incompletis 3. Pedes fusco-rufescentes vel fusco-testacei. Femora anteriora margine interno basi spinis 3-4, apice spinulis minimis numerosis piliformibus armato. . Abdomen fusco-nigrum. Segmentum 5" in medio sinuatum et subelevatum, 6™ tota latitudine angulatim excisum et in medio incisum; 7" tota latitudine arcuatim sinatum ac in medio carinulatum. Lamina supra-analis valde deformis; ejus incisura lata, basi rotundata; ejus lobi equilongi, lobo dextro late rotundato, apice rufescente, lobo sinistro intus rotundato-marginato, trigonali, apice anguste producto, rotundato-hebetato. Cerci mediocres, subacuminati. Lamina infra-genitalis convexa, apice compressa, irregulariter rotundata, laminam supra-analem superans, stylis 2 valde inequalibus in medio margine instructa; his invicem propinquis, dextro longiore, crasso, obtuso, sinistro frequenter abortivo. Margo posterior lamine infra- genitalis anguste flavus, irregularis, inter stylos leviter sinuatus, juxta stylum dextrum in processum — minutum trigonale productus.
Long. 9°5 ; elytr. 4°5, pronot. 2°75, latit. pronot. 4 millim.
Hab. GuaTEMALA, Capetillo (Champion et coll. Dohrn).
TEMNOPTERYX, Brunn.
Temnopieryzx, Brunner de W. Syst. Blatt. p. 83. Platamodes, Stal (ex parte). Pronotum corneum, parabolicum, convexum, impressionibus discoidalibus nullis vel obsoletis. Elytra truncata
(vel g tantum abbreviata), cornea, articulata, sese seepius intus leviter tegentia, sulco anali perspicuo vel obliterato. Ale minime. Lamina supra-analis ? trigonalis, apice subrotundata vel leviter incisa.
Synopsis specierum.
I.
1. Femora anteriora ad typum ]™ pertinentia. (Comp. p. 30.) [Platamodes, Stal, ex parte. | a. Pronotum et elytra unicolora, testacea vel rufescentia. Elytra 9 primum abdominis segmentum tegentia, apice extus rotundata. 6. Abdomen totum nigrum. Pronotum et elytra rufescentia.—[1. ‘exensis, sp. n.] bb. Abdomen luteo-marginatum. Pronotum et elytra testacea. c. Pronotum totum testaceum.—2. tarasca, Sss. cc. Pronotum brunneo-lineolatum. Elytra § abdominis segmenta 6 tegentia, haud trun- cata, apice attenuata, rotundata.—3. kaupiana, Sss. aa. Pronotum bicolor. b. Pronotum et elytra testacea. Hlytra 1™ abdominis segmentum tegentia, angulo externo-apicali rotundato. c. Pronotum pallide testaceum, nigro-bivittatum.—4. otomia, Sss. cc. Pronotum rufescens, disco fusco-vario : | d. utrinque fusco-umbrato.—[1. texensis, var.] dd. fusco-punctato.—5. nitida, sp. n.
TEMNOPTERYX. 51
bb. Nigro-castanee vel rufescentes. Pronotum et elytra lateraliter flavo-limbata. Pedes rufescentes. | | c. Elytra oblique truncata, apice ad costam angulata, sulco anali nullo. Lamina supra- analis ? trigonalis vel apice truncata.
d. Elytra valde oblique truncata, acutangula, margine suturali quam margo costalis duplo breviore, margine apicali subsinuato, apice anguste rotundato. Pronotum et elytra anguste flavo-limbata.—6. limbata, Sss.
dd. Elytra transverse, parum oblique truncata, margine suturali quam margo costalis haud duplo breviore, angulis hebetatis. Pronotum et elytra latiuscule flavo- limbata.—7. sumichrasti, Sss.
ec. Elytra apice rotundata.
d. Hlytra coriacea, apice haud attenuata, late rotundata, margine costali recto, venis perspicuis, sulco anali distincto.—8. guatemala, sw. n.
dd. Hlytra cornea, attenuata, anguste rotundata, margine costali arcuato, sulco anali perspicuo.—9. fissa, sp. n.
66. Ferruginescens. Lamina supra-analis trigonalis.—[10. major, sp. n.] 11. Femora anteriora ad typum 2™ pertinentia.
* Pronotum corneum, impressionibus nullis, plus minus parabolicum. Elytra in utroque sexu truncata, vel in ¢ abbreviata, intus sese leviter tegentia. Femora anteriora in margine anteriore toto, saltem in dimidia parte apicali spinis subzqualibus invicem remotis armata.—[11. brevipennis, Sss. |
II.
a, Elytra in utroque sexu distincte truncata (cfr. Tab. III. fig. 31) : 6. oblique truncata, angulo apicali costali acutiore : c. breviter obliquissime truncata.—6. limbata. cc. minus breviter, parum oblique truncata ; d. angulo apicali subacuto.—7. sumichrasti. dd. angulo apicali rotundato.—[1. texensis. | bb. transverse truncata : c. angulo apicali costali rotundato.—4. otomia; [11. brevipennis]. cc. angulis binis apicalibus rotundatis.—8. guatemale. aa. Elytra apice, saltem angulo costali, rotundata (cfr. Tab. IV. figg. 24, 29) : 6. truncata, apice toto rotundato, arcuato, c. parum fortiter arcuato.—8. guatemale. ce. semiorbiculariter arcuato.—[10. major. | bb. abbreviata, margine suturali recto, margine costali et apicali ad unum arcuato, angulo apicali-suturali solum acuto, angulo apicali costali nullo; in maribus longiora apice attenuato. (Species testaceze, ad genus Ceratinopteram vergentes.) c. Elytra 9 margine apicali obliquo.—2. tarasca; 3. kaupiana 2. cc. Elytra attenuata, apice anguste rotundata, margine apicali nullo. d. Castanea, elytris brevibus.—9. fissa. dd. Pronoto et elytris testaceis; elytris longioribus.—3. kauyiana g; 5. nitida § 9.
Hh 2
52 ORTHOPTERA.
III.
a. Lamina supra-analis ¢ trigonalis, integra.—[1. fewensis] ; 6. limbata; 2. tarasca; 7. sumi- chrasti; [10. major]; [1]. brevipennis). aa. Lamina supra-analis ? apice minute incisa.—8. kaupiana ; 4. otomia; 5. nitida ; 8. guatemale ; 9. fissa. IV. a. Species ad typum Platamodem (anted, p. 30) pertinentes. — [1. teensis|; 2. tarasca ; 3. kaupiana; 4. otomia; 5. nitida; 6. limbata; 7. sumichrasti; 8. guatemale ; 9. fissa ; [10. major]. aa. Species ad typum Phyllodromia (antea’, p. 30) pertinens.—[11. brevipennis].
[1. Temnopteryx texensis, sp.n. (Tab. III. fig. 31.)
9. Rufo-testacea vel rufida, abdomine nigro. Antenne brunnee vel griseo-ferrugines, 1° articulo testaceo. Macule ocellares lute. Pronotum parabolicum, corneum, margine laterali flavo-testaceo. lytra segmentum mediale tegentia, venosa, valde coriacea, area basali costali flavo-testacea, angulo apicali late rotundato, margine posteriore leviter obliquo, subsinuato, margine suturali quam margine costali paulo
Dbreviore, campo anali piriformi. Pedes rufo-testacei vel testacei. Lamina supra-analis 92 distincte trigonalis ; segmento 6° dorsali in medio arcuato. Cerci nigro-castanei.
Var. a. Pronoti discus utrinque castaneus, in medio rufescens.—b. Pronoti margo anterior anguste luteus.— c. Pronoti margo posterior partim pallidus vel maculis 2 obsoletis pallidis—d. Cerci brunnei vel rufescentes.—e. Elytra 1% abdominis segmentum tegentia, margine apicali in parte discoidali magis sinuata. Lamina supra-analis latius trigonalis, subrotundata.
Long. 14:5; elytr. 4:5, pronot. 4°5, latit. pronot. 6 millim.
Hab. Norta America, New Mexico, Texas (Mus. Genavense). |
2. Temnopteryx tarasca, Sauss. Blatta tarasca, Sauss. Mém. Mex., Blatt. p. 95. 86 (1864).
Temnopteryx tarasca, Sauss. Miss. Scient. Mex., Orthopt. p. 23. 2 (?). Hab. MExIco.
3. Temnopteryx kaupiana, Sauss. (Tab. IV. figg. 24-26.) Temnopteryx kaupiana, Sauss. Mél. Orthopt. ii. iv’ fasc. p. 92. 1 (g¢ 2) (1872).
d. Abdominis segmenta 5"-7™ margine postico tota latitudine obtusangulatim sinuata ; lamina supra-analis sat grandis, duplo latior quam longior, margine postico leviter arcuato, in medio minute inciso.
2. Long. 12; elytr. 4°25, pronot. 3°25, latit. pronot. 5 millim.
do. Long. 9°5; elytr. 5°75 millim.
Hab. Mexico, Moyoapan (Saussure).
This species might nearly as well be placed in the genus Ceratinoptera, the male having its elytra but little abbreviated.
4. Temnopteryx otomia, Sauss.
Temnopteryx otomia, Sauss. Rev. et Mag. de Zool. 1868, p. 98.4; Miss. Scient. Mex., Orthopt. p- 24, t. 1. figg. 15, 15 a.
Lamina supra-analis 2 apice incisa, in medio convexa, posterius carinata; ¢ margine postico arcuato, integro. @. Long. 9°5; elytr. 3, pronot. 2°75, latit. pronot. 4:2 millim. 3d. Long. 8; elytr. 3, pronot. 2°6, latit. pronot. 4 millim.
Hab. Mexico, Eastern Cordillera (Mus. Genavense).
TEMNOPTERYX. 53
5. Temnopteryx nitida, sp. n. (Tab. IV. figg. 31, 32.)
. Fulvo-testacea, abdomine nigro. Frons inter oculos nigra. Facies brunneo-maculosa, Antenne brunnee. Pronotum testaceum, antice truncatum; disco flavido, utrinque leviter fusco-marmorato. Elytra haud truncata, segmenta 3 abdominis tegentia, apice attenuata, ad marginem suturalem minute rotundata ; margine costali toto arcuato, margine suturali recto; vene obsolete prominula, sulcus analis distinctus, ad 2 marginis suturalis extensus; area mediastina diaphano-testacea. Ale minute, vena mediastina, humerali et venis campi postici, fuscis; vena discoidali furcata; vena ulnari tenuissima. Tibiz ad spinas fusco-punctate. Abdominis margines ochracei. Lamina supra-analis 9 trigonalis, ochraceo-limbata, basi sulcate, apice truncata, minute subincisa. Cerci subtus et basi fusci.
Long. 15; elytr. 7:25, pronot. 4, latit. pronot. 5°75 millim.
Hab. Mexico, Omilteme in Guerrero 8000 feet (H. H. Smith).
This species resembles 7. kaupiana and T. tarasca in having the elytra attenuated and rounded at the end, not truncated. The elytra of the female are longer and not acute at their posterior end, rounded at the tip, and different in this from the two species (2)referred to. The size is also larger. TZ. ni¢tida makesa transition to Ceratinoptera.
6. Temnopteryx limbata, Sauss.
Temnopteryx limbata, Sauss. Rev. et Mag. de Zool. 1868, p. 98.5; Miss. Scient. Mex., Orthopt. p. 25. 5, t. 1. figg. 16, 16 a.
Lamina supra-analis ¢ trigonalis, apice rotundata, vel irregularis.
©. Long. 9°5; elytr. 2°5, pronot. 3, latit. pronot. 4°5 millim. 3. Long. 8-5; elytr. 2:5, pronot. 2°75, latit. pronot. 3°6 millim.
Hab. Mxxico, Eastern Cordillera, Santa Cruz, Moyoapan (Saussure).
7. Temnopteryx sumichrasti, Sauss. Temnopteryx sumichrasti, Sauss. Rev. et Mag. de Zool. 1868, p. 97.3; Miss. Scient. Mex., Orthopt. p. 28. 3, t. 1. fig. 14.
Lamina supra-analis ¢ brevis, transversa.
Hab. Mexico, Eastern Cordillera, Moyoapan (Mus. Genavense).
In pine-woods and on the Cordillera.
8. Temnopteryx guatemala, sp.n. (Tab. IV. figg. 27, 28.)
9. Fusco-castanea. Antenne fusco-ruf. Caput fuscum, crassiusculum, convexum ; ocellis luteis. Pronotum fuscum, corneum, impressionibus disci nullis, margine posteriore leviter angulato; marginibus lateralibus parum arcuatis; margine anteriore anguste, lateralibus latius, flavo-aurantiis. Elytra abbreviata, abdomen totum liberantia, castanea, margine laterali fulvo, margine posteriore rotundato, per marginem suturalem sese tangentia ; venis leviter prominulis, distincte perspicuis, inter venas punctata; sulco anali ad apicem marginis suturalis extenso. Pedes rufo-testacei; femora anteriora subtus margine interiore spinis 4-5, dimidia parte apicali inermi. Lamina supra-analis late rotundata, margine apicali flavido, in medio minute inciso; disco medio trigonali-tumido. Cerci depressi laminam infra-genitalem leviter super- antes, parum lati, paralleli apice acuto, rufescentes.
Long. 10°5 ; elytr. 2°8, pronot. 3, latit. pronot. 4 millim.
Hab. Guatemata, in the city (Champion).
One mature female specimen and numerous larve.
5d | ORTHOPTERA,
9, Temnopteryx fissa, sp. n. (Tab. IV. figg. 29, 30.)
Q. Castanea, ocellis flavis. Pronotum subparabolicum, antice vix truncatum, angulis posticis minute rotun datis; marginibus lateralibus latiuscule flavis, margine anteriore obsoletius flavo, retro lineam flavam emittente; margine posteriore transverso, haud angulato. Elytra cornea, polita, venis haud prominulis, 3™ abdominis segmentum tegentia, apice attenuata, rotundata, margine suturali recto, margine costali toto et ad apicem arcuato. Sulcus analis perspicuus, ad 2 marginis suturalis extensum. Color elytrorum flavido-castaneus, parte basali campi analis fusco-castaneus, margine costali basi flavo. Pedes flavidi; coxis fusco-variis ; tibiis supra fusco-maculatis, posticis apice et intus partim fuscis. Abdomen nigro-castaneum, segmentis rufescenti-limbatis, angulis lateralibus et margine, flavidis. Lamina supra-analis transverse trigonalis, sat profunde fissa vel incisa, bilobata. Cerci breviusculi, fusiformes, flavescentes, basi nigri.
Long. 10-5; elytr. 4:5, pronot. 3, latit. pronot. 4°5 millim.
Hab. Guatemata (Mus. Genavense).
[10. Temnopteryx major, sp. n.
Q. Valida, rufo-castanea vel rufescens. Pronotum corneum, impressionibus nullis, marginibus lateralibus flavicantibus, margine postico subangulato. Elytra coriacea, polita, venis prominulis, segmentum 1™ tegentia, apice tota rotundata; margine costali apice late rotundato ; margine suturali recto, apice arcuato. Sulcus analis profundus, ante apicem vix sinuatus, ad ? marginis suturalis attingente. Ale minima,
acute, ferruginescentes ; area mediastina flava. Lamina supra-analis grandis, trigonalis, carinata, apice hebetato.
Long. 20; elytr. 7, pronot. 5°5, latit. pronot. 7°75. Hab. Nortn America, Tennessee (Mus. Genavense). |
[11. Temnopteryx brevipennis, Sauss. Ischnoptera brevipennis, Sauss. Mém. Mex., Blatt. p. 80. 20, fig. 11 (syn. Blanch. exclus.). . Temnopteryx brevipennis, Sauss. Miss. Scient. Mex., Orthopt. p. 23. 1.
Hab. Cutt. | LOBOPTERA, Brunn. Loboptera, Brunner de W. Syst. Blatt. p. 79 (1865).
1. Loboptera annulicornis, sp. n. (Tab. I. fig. 24.)
9. Fusco-nigra, L. decipientt paulo major. Antenne fusce, ultra medium annulo pallide flavo ex articulis circiter 8 composito. Ocelli nulli. Os ferrugineum. LElytra lanceolata, longe acuminata, apice hebetata, mesonotum haud superantia. Pedes, saltem femorum basis, tibie et tarsi rufescentia. Femora anteriora margine interno spinis 4, parte apicali inermi. Lamina supra-analis late trigonalis.
Long. 11°75 ; elytr. 1-6, pronot. 3-25, latit. pronot. 4°8 millim.
Hab. Mexico, Amula in Guerrero 6000 feet (H. H. Smith).
This species is very distinct on account of its somewhat V-shaped elytra, these being less squamiform than usual. The fore femora are spined as in typical Platamodes and not asin L. decipiens, in which they are spined in their whole length (Blattine, Type 2, antea, p. 30).
Tribus NYCTOBORIN A. Nyctiboride, Brunner de W. Revis. du Syst. des Orth. p. 11.
Oculi invicem parum remoti. Pronotum et elytra sericea. Mesonoti et metanoti margo posticus processubus 2 membranaceis styliformibus instructus. Elytra et ale grandia, in longitudinem multivenosa, venis
NYCTOBORA. 55
furcatis ; campo marginali plus minus lato, in elytris venis valde obliquis subarcuatis, in alis venis longi- tudinalibus ramosis obsito. Femorum anteriorum spina genicularis in margine apicali anteriore exserta- Cerci longi.
This Tribe forms a sort of transition from the Blattine to the Periplanetine on account of the shape of the anal plate and the long cerci. The elytra and wings have quite the neuration of the Periplanetine; but the last ventral segment is flat as in Blattine, not compressed and sulcate as in Periplanetine. The presence of narrow, tongue-like appendices on the margins of the meso- and metanotum shows a further affinity with the Periplanetine. The Tribe Nyctoborine is peculiar to the hot parts of America. It includes only two genera: Nyctobora, in which the claws are furnished with an arolium, and Megalobatta, which is destitute of an arolium between the claws.
NYCTOBORA, Burm.
Nyctibora, Burmeister, Handbuch, ui. p. 501; Brunner de W. Syst. Blatt. p. 142. Nyctobora, Saussure, Mém. Mex., Blatt. p. 65.
Statura majuscula vel mediocris. Oculi valde approximati. Pronotum corneum, subconvexum, antice quam postice magis arcuatum; in maribus parvum. LElytra et ale, quando condite explicata, longa ac lata, campo marginali latiusculo. Pedes spinosissimi. Femora 2°, 3* spinis longis remotis in utroque margine ; anteriora in margine antico spinis minoribus numerosis confertis, in margine postico spinis paucis remotis, armata. Femora insuper omnia spinis apicalibus 1:1, in anterioribus 2:1, instructa. Tarsi inter ungues aroliis magnis instructi. Abdominis segmenta ultima utrinque trigonali-producta. Lamina supra-analis 9 leviter prominula, trigonali-rotundata, ¢ trapezina. Cerci sat longi. Pronotum et elytra griseo-sericea.
Synopsis specterum. 1. Elytra et ale 2? § condite explicata—Nycrozora, Burm. a. Oculi g contigui.—l. mewicana, Sss. aa. Oculi ¢ haud contigui, vel subcontigui. 6. Omnino fusce ; elytrorum campo marginali angustiore. c. Minor, oculis ¢ paulo propioribus.—2. azteca, sp. n. ce. Major, oculis g paulo magis remotis.—[ intermedia, Sss. | 6b. Pronoto utrinque flavo-limbato.—[sericea, Burm. ] 11. Elytra et ale 9° ¢ truncata, cornea.—HeEminycropora, nob. Nigra ; alis minutis rufis.—3. truncata, sp. n.
1. Nyctobora mexicana, Sauss. Nyctobora mexicana, Sauss. Mém. Mex., Blatt. p. 66.12; Brunn. de W. Syst. Blatt. p. 147.5; Sauss. Miss. Scient. Mex., Orthopt. p. 68. 1, t. 2. figg. 38, 38 5. Media; castanea ; elytris castaneo-rufescentibus. Elytra et ale in utroque sexu complete explicate ; pronotum itaque in utroque sexu elliptico; in maribus quam in J. azteca minor.
6. Long. 25-27; elytr. 32:5, latit. elytr. 11-75, pronot. 7, latit. pronot. 9°8 millim. @. Long. —?; elytr. 28:5, latit. elytr. 11-5, pronot. 7°6, latit. pronot. 12 millim.
Hab. Mexico (Saussure); GuateMata, San Juan in Vera Paz (Champion).
56 ORTHOPTERA.
2. Nyctobora azteca, sp.n. (Tab. IV. fig. 34.)
- . Minor, castanea vel rufo-castanea, cinereo-tomentosa, subtus nigra; abdomine supra, antennis pedibusque nigris. Alarum ven ferruginese ; campus anterior ferruginescens, margine anteriore ferrugineo, limbo apicali leviter grisescente ; campus posterior vitreus, limbo posteriore levissime nebuloso. Lamina supra- analis ¢ trapezino-rotundata; lamina infra-genitalis rotundata, elytris crassis.
Long. 20; elytr. 23, latit. elytr. 8-5, pronot. 5°8, latit. pronot. 8-5 millim.
Hab. Guatemata, Capetillo (Champion).
Extremely like V. mexicana, Sauss., except in its much smaller size.
3. Nyctobora (Heminyctobora) truncata, sp.n. (Tab. IV. fig. 33.)
Q. Valida pro genere, tota nigra, pilosa. Caputsparse punctatum. Oculi in vertice invicem valde approximati. Macule ocellares flave distincte. Antenne nigre. Pronotum breviusculum, tenuiter punctulatum, margine posteriore leviter rotundato-angulato. lytra transverse truncata, segmentum mediale leviter superantia, angulo externo rotundato. Campus marginalis rugulatus; campus discoidalis punctulatus, venis obsolete prominentibus. Sulcus analis arcuatus, ad marginem suturalem profundus, in illum perpendiculariter incidens; campus analis propter hoc haud piriformis, apice haud attenuatus. Ale minut, rufescentes. Pedes nigri, spinis obscure rufis; tarsis subtus testaceis. Femora in margine posteriore longiuscule spinosa, in margine anteriore brevius spinosa, basi inermia ; femora anteriora brevius spinosa, basi inermia, in margine anteriore spinis brevibus invicem propinquis circiter 8 armata. Lamina supra-analis grandis, punctata, pilosa, semiorbiculariter arcuata, apice vix incisa.
. Sextum abdominis segmentum dorsale bisinuatum. Lamina supra-analis sensim ut in ?, rotundata, sub- 1ncisa.
Larva 9. Lamina supra-analis trigonalis, apice leviter truncata.
@. Long. 20°5 ; elytr. 7, pronot. 6, latit. pronot. 9°2 millim.
3. Long. 18°6; elytr. 7, pronot. 5:8, latit. pronot. 9 millim,
Hab. Mexico, Jalisco (Schumann, 2 3); GuatEMaLa, Capetillo (Champion).
MEGALOBLATTA, Dohrn. Megaloblatta, H. Dohrn, Stett. ent. Zeit. 1887, p. 408.
Statura maxima; color niger. Pronotum et elytra subtiliter sericantia. Vertex ¢ inter oculos angustus. Pronotum sat parvum, plane ellipticum, circumcirca tenuiter marginatum ; disco impressionibus 2 obliquis. Meso- et metanotum ¢ posterius utrinque lobum membranaceum spiniformem gerentia. Elytra et ale maxima, longissima, latissima, apice latissime rotundata, venis longitudinalibus numerosissimis, confertis, furcatis ; campo marginali latissimo: in elytris venis costalibus numerosis, valde obliquis, subar- cuatis, furcatis impleto; in alis venis longitudinalibus, multifurcatis instructo. Ale campo anteriore latissimo venis omnibus furcatis ; campo intermedio latissimo, campo radiato propter hoc minuto. Pedes graciles. Spina genicularis femorum anteriorum in margine apicali interno exserta. Femora anteriora subtus in margine antico, posteriora in margine postico fimbriata; intermedia subglabra. Femora ante- riora apice et tibize subtus rufo-tomentosa. Femora anteriora spinis apicalibus 2:1, intermedia 1: 1, posteriora 0:0; anteriora parum spinosa. Tarsi graciles, articulis subtus carinatis, apice rotundato- tuberculati (vel si mavis apice pulvilis minutis apicalibus flavis instructis); metatarsus posticus subtus remote spinulosus. Arolia inter ungues nulla vel minima, compressa. Abdominis segmenta angulis haud productis ; ultimis 2(¢) angulis valde rotundatis. Ultimum segmentum dorsale 9 parum, ¢ valde bisinuatum, ¢ in medio rotundato-productum (Tab. V. fig. 15). Lamina supra-analis producta, rotun- data, incisa. Cerci longissimi. Pronotum et elytra subtiliter sericea.— @ 2 ultimum segmentum ventrale latum, rotundatum.— g ¢. Pronotum sat parvum. Segmenta ventralia 3 ultima (Tab. V. fig. 16) valde sinuata, angulis rotundatis. Lamina infra-genitalis stylis 2 acutis instructa.
Habitus specierum majorum generis Blabere.
MEGALOBLATTA. 57
This genus is a magnificent Central-American type, and is of great interest on account of its affinities.
It resembles the Periplanetine, especially the genus Periplaneta, in the produced bilobed supra-anal plate and in the very long cerci. In the shape of the last segments of the abdomen, which are not acute at their angles, the short spines to the femora, and the black-violaceous colour of the pronotum and elytra, Megaloblatta approaches Deropeltis, the colour being quite typical of that genus and foreign to the other American Blattide. In other respects Megaloblatta imitates in a very remarkable manner the larger species of the genus blabera: in its gigantic size, the approximated eyes, the very large and wide elytra having a very broad marginal field, and, what is very striking indeed, in the claws being destitute of an arolium—the latter character appearing here as if for the sole purpose of imitating the Blaberine !
This mimicry is carried to such an extent that at first sight it 1s very easy to mistake a Megaloblatta for a Blabera. ‘The resemblance, indeed, is continued even to the less apparent characters, as the loss of the arolia and the arrangement and scarcity of the spines of the femora. It is only by an examination of the characters of the abdomen (unspined angles of the segments, long anal plate, very long cerci) that the real position of Megaloblatia can be ascertained.
1. Megaloblatta rufipes, Dohm. (Tab. V. figg. 15-17.) ? Blabera regina, Saussure, Miss. Scient. Mex., Orthopt. p. 116. 10 (¢) (1870). Megaloblatta rufipes, H. Dohrn, Stett. ent. Zeit. 1887, p. 409. 2 (¢ ).
gd. Tota nigra, pronoto et elytris leviter violaceo-nigris. Caput rotundatum, oculis invicem sat propinquis. Pronotum densissime punctulatum, disco nitidulo, minus dense et fortius punctato, lateribus rugulosis, postice carinulatum et in longitudinem stricolatum. Mesonotum margine postico membranaceo; appen- dices membranacei meso- et metanoti graciles, elongati. Elytra immensa, fusco-nigra, subviolascentia. Alse fulvo-fusce, margine anteriore et apicali obscuriore; campo anali pallidiore, nebuloso. Femora ante- riora subtus in margine antico medio spinis 2-3, in margine postico spina preapicali armata; femora intermedia et posteriora subtus margine antico dimidia parte basali inermi; intermedia 4: 3, posteriora 6:4, spinosa. Abdomen politum, utrinque maculis submarginalibus rufis. Segmentum penultimum angulis late rotundato-productis. Lamina supra-analis retro attenuata, rotundata, anguste incisa. Lamina infra-genitalis parva, rotundata, quam ultimum segmentum haud angustior. Segmentum 5™ basi rufescens. Cerci laminam supra-analem plus duplo superantes,
Long. 51; elytr. 73, pronot. 15°25, latit. pronot. 22 millim.
Larva, 3 (fig. 17). Nigra, nitidissima, elliptica, deplanata. Thorax confertim punctulatus. Pronotum semi- orbiculare, margine postico leviter arcuato, angulis lateralibus subrectangulis, acutis. Meso- et meta- notum postice carinulata, processubus membranaceis nullis. Abdomen nitidum, subtiliter punctatum, segmentis 2°-4° utrinque macula lateritia; segmenta 5™-7" coriacea, vix punctata, plicato-corrugata : 4™ ytrinque angulatum ; 5" magnum, marginibus lateralibus lamellaribus, valde reflexis, angulis leviter hebetatis ; 6" angulis acutis. Venter basi rufescens, utrinque depressione grandi rotundata. Lamina infra-genitalis apice subincisa. Caput et lamina supra-analis ut in imagine ; cerci breviores.
Long. 44; pronot. 11-5, latit. pronot. 18 millim.
Hab. Guatemata, San Juan in Vera Paz (Champion); Panama (coll. Brunner ).— CotomBiA, Medellin; ? Braziu.
BIOL. CENTR.-AMER. Orthopt., October 1893. Ii
58 ORTHOPTERA.
The specimen ( 3 ) described by H. Dohrn has the abdominal segments rufous, with black margins, and the legs rufous, with the anterior femora armed with only one spine —placed on the inner (anterior) margin. Nevertheless I believe our individual from Guatemala belongs to the same species, the proportions being similar.
M. (Blabera) regina, Sauss. (from Brazil?), may be inseparable from M. rufipes, Dohrn, to judge by its size.
MM. peruviana, Dohrn (= Blabera rufipennis, Walk.), from the Upper Amazons, seems to be a smaller species, with more spined anterior femora, although this character is somewhat variable.
Tribus EPILAMPRIN.
Epilampride, Brunner de W. Syst. Blatt. p. 147. Epilampriens, Saussure, Mélang. Orthopt. 1. 2° fasc. p. 83. Epilamprites, Saussure, Miss. Scient. Mex., Orthopt. p. 73.
Synopsis generum.
1. Elytra in utroque sexu perfecte explicata. Abdomen haud serratum.
2. Pronotum et elytra sericeo-pilosa vel velutina. Antenne incrassate, breviter hirsutz. Pronotum transverse rhomboidale, margine posteriore quam anterior magis arcuato. Elytra elongata, apice valde attenuata. Ale colorate, anguste, campo posteriore sat parvo. Femora parum spinosa, subtus spina apicali magna; tarsi brevissimi. Abdo- men valde depressum, ? suborbiculare; lamina supra-analis rotundata. Cerci breves, depressi, dilatati, obtusi—Paratropa, Serv.
22. Pronotum et elytra glabra. Antenne setacee.
3. Pronotum rhomboidale. Elytra parum longa, cornea, gibbosa, nitida, punctata, venis nullis, apice acuminata, Ale campo anteriore angusto, apice truncato, venis costa- libus numerosis. Pedes graciles, femoribus spinis rarioribus. Tarsi breves. Lamina supra-analis 2 transversa. Cerci minuti, multiarticulati, acuminati.— PuHoraspis, Serv.
33. Hlytra coriacea, venis distinctis. Pronotum posterius angulatum vel rotundatum.
4, Alarum vena ulnaris ramos obliquos pennatos, regulares numerosos emittens. Elytra nonnunquam subcornea. Abdominis margines 2 acute serrati. Lamina supra-analis prominula, bilobata, vel haud prominula, trapezina. Cerci breves. Lamina infra-genitalis g rotundata, stylis longis instructa.
5. Femora anteriora subtus in utroque margine spinosa,—Eritampra, Burm. 55. Femora anteriora subtus plerumque in margine postico .inermia.—Cato- LAMPRA, Sss., ¢.
44, Alarum vena ulnaris ramos furcatos irregulares emittens. Pronotum fere semi- orbiculare, cucullatum, caput superans. Elytra lata, abdomen haud superantia. Abdomen acute serratum ; lamina supra-analis lata, subbilobata. Cerci minimi. —[Homatorrerx, Br.]
PARATROPA. 59
11. Elytra abbreviata, squamiformia vel nulla. Pronotum parabolicum, postice transversum.
2. Caput prominulum. Femora anteriora subtus margine postico inermia. od complete alati. Abdominis margines haud serrati. Lamina supra-analis ultra segmentum ventrale vix prominulum, transversa, arcuata, vel vix incisa.—CaLoLamMPRA, Sss.
22. Caput obtectum. Corpus depressum, ellipticum. 3. Lamina supra-analis transversa, arcuata, subincisa, vix prominula. Corpus nitidum. 4. Femora anteriora subtus margine antico piloso, postico spina unica. Elytra ? 3 truncata. Corpus gracile; abdominis margines haud serrati. (Ep. liturata 3, De Haan*.)—jComrsotampra, Sss. t] 44. Femora anteriora in utroque margine spinosa. LHlytra squamiformia. Corpus late ellipticum, abdominis margines serrati.—[OpistHoptatta, Br.] 33. Lamina supra-analis prominula, trigonalis, incisa. Femora anteriora in utroque margine spinosa. Corpus rugulosum; pronotum cucullatum. Abdomen valde serratum. LElytra squamiformia vel nulla.—Ratcnopa, Br.
PARATROPA, Serv.
Paratropes, Serville, Orthopt. p. 117; Saussure, Miss. Scient. Mex. » Orthopt. p. 73. Phoraspis, Burmeister, Handbuch, li. p. 492. Paratropa, Brunner de W. Syst. Blatt. p. 148.
Synopsis specterum.
a. Ale aurantiz, fusco-marginate. 6. Pronotum anterius vitta flava, parallela vel in medio vix coarctata.—|subsericea, Sauss. (Guiana) |; [elegans, B. (Guiana) |. 66. Pronotum anterius vitta flava in medio valde coarctata vel interrupta. — c. Vitta haud interrupta. d. Pronoti margo posterior immaculatus.—l. mexicana, Br.; [equatorialis, Sauss. (Peru) |. dd. Pronoti margo posterior flavo-bimaculatus.—[2. phalerata, Er.] cc. Pronotum anterius flavo-bimaculatum.—3. bilunata, sp. n. aa. Ale tote fusce. Pronotum ut in P. mexicana pictum.—4. diolleyi, sp. n.
1. Paratropa mexicana, Brunn.
Paratropes lycus, var. 9, Sauss. Mém. Mex., Blatt. p. 60.
Paratropa mexicana, Brunn. de W. Syst. Blatt. p. 151. 2, fig. 15 (¢); Sauss. Miss. Scient. Mex., Orthopt. p. 73. 2.
Hab. Mexico, Eastern Cordillera, Orizaba (Mus. Genavense, ex coll. Guérin).
(2. Paratropa phalerata, Erichs. Blatta (Nyctibora) phalerata, Erichson, in Schomb. Fauna und Flora v. Britisch-Guiana, p. 580 (1848).
= Nec 2 .—pil. quadrata, Sauss, Mél. Orth. 4¢ fase. p. 129, 9 ¢. + Sauss. Societas Entomologica, 1893, p.58. Asiatic type mentioned here to fix the differences of Calolampra. ni 2
60 ORTHOPTERA.
Paratropa phalerata, Brunner de W. Syst. Blatt. p. 152. 4 (1865). Paratropes lycus, Sauss. Mém. Mex., Blatt. p. 59. 7, fig. 6 (3) (1864).
Hab. Guiana; Braziu.]
3. Paratropa bilunata, sp. n.
@. Nigra; antennis nigris. Pronotum nigrum, utrinque in margine anteriore macula piriformi citrina. Elytra aurantio-rufida in longitudinem ut solitum fusco-trifasciata, margine costali, saltem basi, nonnun- quam angustissime nigro; campo marginali in ima basi macula citrina. Als flavo-aurantie, campo anteriore apice et partim postice, irregulariter fusco-marginato; campo posteriore late fusco-limbato. Pedes nigri, spinis nigris. Abdomen supra latius, subtus angustius flavo-limbatum. Segmenta dorsalia 1™_4™ margine angustissime flavo. Lamina supra-analis trigonali-rotundata, apice flava. Cerci fusci vel pallidiores. Segmentum ventrale ultimum limbo laterali et postico flavo, utrinque ad incisuram haud marginato.
Var. Elytris magis rufis.
Long. 16°6; elytr. 22, latit. elytr. 8°75, pronot. 5:4, latit. pronot. 9 millim.
Hab. Panama, Bugaba 800 to 1000 feet (Champion). 4, Paratropa biolleyi, sp. n.
Q. P. bilunata simillima, differt tamen ab illo pronoto anterius flavo-limbato, utrinque late, in medio angus- tissime (scilicet maculis pronoti in medio anguste conjunctis, disco nigro anterius trigonali, marginem anteriorem haud attingente). Ale tote nigre. Abdomen supra anguste flavo-limbatum, subtus ut in P, bilunata luteo-marginatum.
do. Lamina supra-analis trapezina, margine posteriore arcuato, parte apicali flava. Cerci subtus fusci, supra in medio flavi, basi et apice fusci.
@. Long. 18; elytr. 20°5, pronot. 5°5, latit. pronot. 9°5 millim.
é. Long. 17:5; elytr. 20, latit. elytr. 7-6, pronot. 4°6, lat. pronot. 8:2 millim.
Hab, Costa Rica (Biolley, in Mus. Genavense: 9); Panama, Bugaba (Champion: ¢ ).
PHORASPIS, Serville. Phoraspis, Serville, Orthopt. p. 124.
Synopsis specterum. a. Elytra vitta basali flava in vena humerali. 6. Pronotum pellucenti-testaceum, disco basi macula fusca vel rufescente, vel disco medio et margine postico partim brunneo vel rufo.—1. leucogramma, Perty. 66. Pronotum castaneum, limbo anteriore anguste flavicante.—2. mevxicana, Sss. aa. Klytra immaculata; pronoto pellucenti-testaceo, macula fusca.—3. bicolor, sp. n.
1. Phoraspis leucogramma, Perty. Phoraspis leucogramma, Perty, Delect. An. Artic. Bras. p. 116, t. 23. fig. 3 (1830), et auctt.; Brunn. de W. Syst. Blatt. p. 157. 2; Sauss. Miss. Scient. Mex., Orthopt. p. 75. 2.
Hab. Mrxico.—BRaziu.
2. Phoraspis mexicana, Sauss.
Phoraspis mexicana, Sauss. Rev. et Mag. de Zool. 1862, p. 228; Mém. Mex., Blatt. p. 148. 78 ; Brunn. de W, Syst. Blatt. p. 159. 4; Sauss. Miss. Scient. Mex., Orthopt. p. 75. 3, t. 2. figg. 41-4] a,
Hab. MExico, temperate regions (Saussure).
PHORASPIS.—EPILAMPRA, 61
3. Phoraspis bicolor, sp. n.
2. Fusco-nigra, vertice, occipite et antennis brunneis. Pronotum pellucente-testaceum, sat grande, transverse convexum ; margine anteriore subreflexo, valde arcuato, scilicet magis arcuato quam in reliquis speciebus (atomaria, flavipes), caput valde superans; margine posteriore triangulato, quam margo anterior haud arcuatiore ; parte postica disci macula transverse quadrata fusca. Elytra brunnea, sulco anali nullo. Ale infuscate. Pedes fusco-nigri.
Long. 16°5 ; elytr. 15°25, lat. elytr. 8°6, pronot. 6, latit. pronot. 9°6 millim.
Hab. Cuntrat America t (Mus. Genavense).
The elytra are almost chocolate in colour, and the pronotum is very transparent.
EPILAMPRA, Burm.
Epilampra, Burmeister, Handbuch, ii. p. 504; Brunner de W. Syst. Blatt. p. 166; Saussure, Miss. Scient. Mex., Orthopt. p. 80; Stal, Rech. sur le Syst. des Blattaires (Bihang ii. no. 18), p- 12.
Peciloderrhis*, Stal, Rech. sur le Syst. des Blattaires (Bihang ii. no. 18), p. 12.
Metatarsi postici subtus carinati, serrulati, tantum apice planta plana nuda minuta vel vix ullaT.
Synopsis specierum.
1. a. Species majores. 6. Lamina supra-analis transversa, haud prominula. c. Crassa, pronoto majore. Elytra ¢ abdomen vix superantia. Oculi invicem valde remoti.—l. crassa, Sss. ec. Gracilior, pronoto minore. Elytra abdomen valde superantia. Oculi minus remoti.— [2. imitatrix, sp. n.] 6d. Lamina supra-analis prominula, incisa. Species graciles, elytris ¢ ¢ abdomen superantia. c. Oculi invicem haud plus quam eorum latitudine remoti. Elytra 2? abdomine valde longiora. Lamina supra-analis longe prominula, bilobata. d. Oculis quam eorum latitudine minus remoti. LElytra conspersa. Alz fusco- nebulose.—3. mexicana, Sss. dd. Elytra nebulosa vel tenuissime rufo-tessellata. Ale ferruginescentes.—5. con- spersa, Burm., 3. cc. Oculi plus quam eorum latitudine remoti. Lamina supra-analis : d. modice prominula, fissa. Abdomen luteo-marginatum.—[4. fallax, sp. n.] dd. valde prominula, bilobata. Abdomen haud marginatum.—5. conspersa, Burm., ? .
aa. Species minores. Vertex inter oculos : 6. quam oculorum latitudo paulo latior. Elytra et ale longiora. Alz apice area membra-
* This genus cannot be maintained, the transitions connecting it with Hpilampra.- Besides, both types are
to be found in the American and in the Oriental species. + St&l has separated the Asiatic species which have the carina of the metatarsus without spinule :—meta-
tarsi postici subtus rotundato-carinati, carina glabra haud serrulata. Genus Molytria, Stal.
62 . ORTHOPTERA.
nacea intercalata angusta instructe; sinu anali obsoleto; campo anteriore angusto.. Lamina supra-analis producta, incisa. Cerci apice anguste producti. Abdominis seg- menta ? angulis acutis. c. Pronoti discus fusco-marmoratus. Abdomen subtus fuscum, flavido-limbatum.— 6. azteca, Sss. ec. Pronotum totum subtiliter fusco-punctulatum. d. Abdomen et pedes subtus subtiliter dense fusco-punctulata. Lamina supra-analis valde prominula. Alarum campus anterior angustissimus.—[7. caraibea, sp. n.] dd. Major. Pedes haud dense fusco-punctulati; coxe postice ? et venter utrinque granulose. Lamina supra-analis parum prominula. Alarum campus anterior latior.—[8. burmeisteri, Guér]. 6b. quam oculorum latitudo fere duplo latior. Ale campo anteriore latiore apice prominulo,. incisura anali distincta, area intercalata nulla. Lamina supra-analis transversa, haud bilobata. Cerci apice obtusiores.—[9. Jatifrons, sp. n.|
II.
a. Penultima spina marginis antici femorum anticorum distincte quam ultima plus quam dimidio brevior vel illi paulo brevior. PaciLtoperrutis, Stal.—l. crassa; [2. imitatrix] ; 3. mexi- cana; [4. fallax]; 5. conspersa; 6. azteca; [7. caraibea] ; [8. burmeisteri].
aa. Penultima spina marginis antici femorum anticorum minutissima. Hpruampra, Stal *.— [9. latifrons. |
ITI.
a. Lamina supra-analis brevis, transversa, haud prominula, margine posteriore transverse arcuato. 1. crassa; [2. imitatrix] ; [9. latifrons]. aa. Lamina supra-analis prominula, rotundata, incisa.—relique species.
IV.
a. Campus analis elytri apice acutus.—3. mexicana; [4. fallax]; 6. azteca; [7. caraibea] ; [8. burmeisteri] ; [9. latifrons].
aa. Campus analis apice obtusior, vena analis fere perpendiculariter vel sub angulo parum acuto ‘ in margine suturali incidente.—1. crassa; [2. imitatriz] ; 5. conspersa.
1. Epilampra crassa, Sauss. (Tab. IV. fig. 37.)
Epilampra crassa, Sauss. Rev. et Mag. de Zool. 1868, p. 99.11(?); Miss. Scient. Mex., Orthopt. p- 80.3. |
Q. Flavo-fulva vel rufescens; crassa. Caput prominulum, facie media et fronte inter oculos fuscis. Oculi invicem quam ocelli magis remoti; vertex inter illos quam eorum latitudo fere duplo latior. Pronotum sparse nigro-punctulatum ; pictura discoidali marmorata, obsoleta, fusca; marginibus lateralibus valde defiexis. Elytra abdomen vix superantia, ubique remote fusco-rufo-punctulata, campo discoidali maculis minutis 5-6 remotis. Ale leviter fusco-nebulose, campo anteriore fulvescente, in area ulnari ultra medium maculis minutis 3-4 obscurioribus obsoletissimis. Hic latus, campum posteriorem vix superans,
* This section is not an Oriental one only, as Stal supposed ; it occurs also in America.
EPILAMPRA. 63
apice late rotundatus presertim anterius; margo anterior ad apicem valde retro-arcuatus, cum margine apicali rotundatus. Incisura analis obsoleta, late sinuata. Inter campum anticum et posticum area apicalis membranacea minuta intercalata. Pedes testacei, tibiis et tarsis rufesecntibus. Abdomen fuscum, supra segmentorum margine plus minus rufescente, subtus nigrum. Segmentorum anguli haud sensim producti, nee spinosi, nec acuti, segmentum 7™ ultra 6™ in medio late prominulum, arcuatum, angulis extus ad basin cercorum oblique valde prominulis, rotundatis. Lamina supra-analis transversa, cornea, truncata, utrinque rotundata, a segmento ventrali leviter superata. Long. 30°5; elytr. 26, pronot. 9, latit. pronot. 11-25 millim.
Hab. Mexico, Eastern Cordillera (Mus. Genavense).
(2. Epilampra imitatrix, sp. n.
d. Fulvo-testacea, HE. fallact g valde major. Oculi quam ocelli magis remoti. Vertex inter illos eorum latitudine sesqui-latior, crassiuscule fusco-punctatus vel fusco-varius. Facies inter antennas, frons inter oculos occiputque fusca. Pronotum sparse fusco-punctatum, maculis majoribus intermixtis, marginibus vix punctatis. Elytra abdomen magis superantia punctis minimis fuscis conspersa; apice immaculata, Al hyalino-sordide ; campo anteriore latiusculo; apice rotundato, campum posteriorem distinctius superante ; margine costali nec albescente nec coriaceo. Pedes testacei, femorum marginibus brunneis, spinis fusco-rufis. Lamina supra-analis brevis, transversa, carinulata, margine posteriore transverse subarcuato, integro, ab infra-genitali superato. Cerci fusci, apice parum acuti.
Long. 26°5 ; elytr. 31, pronot. 7°75, latit. pronot. 10°25 millim.
Hab. Braztu (Mus. Genavense).|
3. Epilampra mexicana, Sauss. Epilampra mexicana, Sauss. Rev. et Mag. de Zool. 1862, p. 228; Mém. Mex., Blatt. p. 180. 64, fig. 26 (¢); Miss. Scient. Mex., Orthopt. p. 80. 2.
©. Fulva. Caput minutum, prominulum. Oculi invicem ut ocelli modice remoti; vertex inter illos latitudinem oculorum haud equans. Frons inter antennas et vertex inter oculos fusci. Pronotum minutum, posterius bisinuatum, marginibus lateralibus valde deflexis; omnino subtiliter dense fusco- punctulatum, marginibus punctis majoribus nigris ornatis ; lobis deflexis punctis similibus conspersis. Discus punctis 2 subimpressis, plus minus fusco-umbratus, pictura lyrata obsoletissima vel nulla. Elytra elongata, abdomen longe superantia, margine costali ultra medium longe subsinuato ; omnino dense fusco- rufo-punctulata vel tessellato-conspersa, in vena principali serie macularum fuscarum notata. Ale fusco-nebulosee, venis campi anterioris fulvis, margine anteriore et apice fulvo-coloratis, costa apice fusco-rufo-punctata. Campus anterior modice latus, posteriorem vix superans, apice subangulatus, margine anteriore arcuato, apicali fere oblique truncato. Area membranacea intercalata minuta distincta ; incisura analis obsoleta, late sinuata. Pedes corporis colore ; coxe, saltem postice, sparse granulose ; femorum anticorum spina preapicalis marginis antici quam ultima dimidia minor. Abdomen flavo-fulvum ; segmentorum angulis acute spinosis; subtus subtiliter dense brunneo-punctatum, ad marginem segmentorum punctis nigris majoribus ornatum. Ultimum segmentum ventrale maculis 2 nigris, apice productum, latiuscule truncato-rotundatum. Lamina supra-analis valde producta, rotundata, incisa, bilobata ; cerci illam haud superantia, apice nigro.
¢. Femine simillimus, frequenter pallidior. Elytra fulva, punctulata ac punctis majoribus brunneis remote conspersa. Alarum campus anterior posteriorem distincte superans, apice rotundatus,
9. Long. 32; elytr. 33, pronot. 7-6, latit. pronot. 9 millim.
3d. Long. 24; elytr. 25, pronot. 5°8, latit. pronot. 8 millim.
Hab. Mexico (Saussure) ; GuaTeMa.a, Zapote (Champion).
64 ORTHOPTERA.
(4. Epilampra fallax, sp.n. (Tab. IV. fig. 36.)
9. Gracilis, Z. mexicane affinis, fulvo-testacea vel flavo-lutea. Caput minutum, fronte et occipite variabiliter fusco-picturatis, Oculi invicem magis remoti, vertex inter illos quam eorum latitudo latior. Pronotum fornicatum, ubique subtilissime fusco-punctulatum, punctis nigris majoribus utrinque et in marginibus conspersum ; marginibus lateralibus subtus anguste fuscis, saltem anterius; disci pictura lyrata fusco- marmorata plus minus distincta vel tantum fusco-punctata vel maculosa. LElytra sat pallida, abdomen haud longe superantia, margine costali ultra medium recto; omnino sparse fusco- vel rufo-punctulata, vel irrorata ; serie punctorum in vena principali notata nonnullisque in parte apicali; basi vena discoidali et intus ad venam analem, nigra; campo marginali pallidiore vel tantum linea humerali lutescente. Ale subhyaline. Campus anterior modice latus, apice rotundatus, posteriorem leviter superans. Campi marginalis vene partim inquinate; margo anterior ultra medium luteo-opacus, apice fusco-punctatus. Campus posterior venis fuscescentibus. Pedes testacei, punctis raris fuscis ; coxis ad margines frequenter fusco-maculosis ; tibiis et femoribus ad spinas frequenter fusco-punctatis ; tarsorum articulis supra apice fuscis. Spine femorum anticorum ut in ZL. mexicana, Abdomen supra plus minus fuscum, testaceo- limbatum, segmentorum angulis acutissimis nec tamen sensim productis, nec spinosis; 7° segmento tota latitudine prominulo, angulis paulo retro-productis, rotundatis. Lamina supra-analis producta, rotundata, fissa, basi nigra. Subtus abdomen testaceum, nigro-punctulatum seriebusque transversis punctorum majorum; segmentis utrinque fusco-maculosis. Ultimum segmentum ventrale margine inter cercos arcuato, basi nigro-bimaculatum, maculis nonnunquam retro-productis, variabilibus. Cerci apice minute nigri.
Var. a. Pallida, elytris sparse punctatis—bd. Lamina supra-analis incisa, rotundato-bilobata.—c. Lamina supra-analis vix vel haud incisa.—d. Ultimum segmentum ventrale inter cercos magis productum, valde arcuatum ; lamina supra-anali itaque minus prominula.
¢g. Oculi invicem minus remoti; vertex inter illos eorum latitudine paulo angustior. Abdomen subtus frequenter pallidum, lamina supra-analis basi granulata, incisa, rotundato-bilobata.
@. Long. 32; elytr. 28, pronot. 7-75, latit. pronot. 9°25 millim.
éo. Long. 26; elytr. 25, pronot. 6, latit. pronot. 7 millim.
Hab. Braziu, St. Catharina (H. Fruhstorfer, in Mus. Genavense).
This species, like EH. imitatriz, has been described to prevent confusion with E. mexicana. |
5. Epilampra conspersa, Burm. (Tab. IV. fig. 38.) Epilampra conspersa, Burm. Handb. ii. p. 505; Brunner de W. Syst. Blatt. p. 190. 26.
9. Griseo-fulvescens, HZ. fallaci formis affinis, at gracilior. Caput haud fusco-pictum ; oculi invicem quam ocelli magis remoti, vertice eorum latitudine plus quam sesqui-latiore. Pronotum sat minutum, utrinque deflexum, unicolor, disco haud fusco-vario. Caput totum ore excepto et pronotum omnino densissime, subtilissime fusco- vel brunneo-punctulata. Elytra abdomen superantia, leviter obsoletissime griseo- undato-nebulosa (in modo E. nebulose et H. jaspidee), maculis leviter pallidioribus obsoletis conspersa. Campi discoidalis dimidia pars basalis et campus analis totus coriacei, per transluciditatem inter venas minute dupliciter punctato-areolati, areolis vel circuitu areolarum rufis, Pars obtecta elytri dextri magna parte rufa, pallide maculosa vel marmorata. Al# campo anteriore sat angusto, ferrugineo; campo posteriore nebuloso, venis ferrugineis. Campus anterior ad costam ultra medium rufo-fuscus, subopacus, subtus pallidior; apice ad marginem rufo-fuscus. Margo costalis apice modice arcuatus; apex campi rotundatus, campum posteriorem haud superans. Margo apicalis ale vix sinuatus; aream membranaceam intercalatam distinctam obferens. Pedes testaceo-rufescentes. Abdomen flavo-rufum vel infuscatum ; marginibus segmentorum dorsalium pallidioribus. Anguli segmentorum acutissime producti. Lamina supra-analis valde producta, cercos superans, profunde incisa, rotundato-bilobata. Cerci apice minute nigri. Ultimum segmentum ventrale inter cercos utrinque angulatim fere excisum, in medio productum, late rotundatum.
EPILAMPRA. 65
s
6. Alarum campus anterior campum posteriorem leviter superans. Lamina supra-analis minus producta, parum incisa, a cercis superata. Vertex inter oculos eorum latitudine aqualis. 2. Long. 31; elytr. 26-5, pronot. 6°75, latit. pronot. 8°5 millim.
Hab. GuatemMata, Vera Paz (Champion).—Gutiana, Cayenne.
This species has the pronotum very finely punctured with brown, as in LE. caraibea. E. caraibea, however, is much smaller than /. conspersa, and the head is not densely punctured with brown in the same way.
Var.? 3. Antenne, caput, pedes et cerci nigra (anne fortuito?), Elytra tenuissime rufo-tessellata, fere ut in E. caraibea, sed obsoletius. Long. 23; elytr. 25, pronot. 5-75, latit. pronot. 8 millim.
Hab. Panama, near the city (Champion).
It is somewhat doubtful whether this variety (¢ ) belongs to E. conspersa, the eyes being less distant, and the elytra having a different sort of fine maculation. Its black head and legs may be the result of discoloration in the dried specimens.
6. Epilampra azteca, Sauss. Epilampra azteca, Sauss. Rev. et Mag. de Zool. 1868, p. 356. 12 (3) ; Miss. Scient. Mex., Orthopt. p. 82. 5, t. 2. fig. 45 (pars).
@. Flavo-testacea, facie punctis 2 vel 4 et linea media fuscis, Frons cum pictura frequenter lineas 2 ad occipitem emittente necnon maculis 2 ad oculos, fuscis. Oculi quam ocelli esque remoti. Pronotum paulo latius ac brevius quam in £. caraibea et E. latifronte; postice bisinuatum, utrinque grosse sparse fusco-punctatum ; disco pictura magna marmorata fusca, distinctissima, haud fusco-punctulata, notato. Elytra fulvescentia, omnino crasse, remote, fusco-punctata; linea in vena humerali elongata fusca ad basin evanida, maculaque basali campi analis ad venam analem fusca. Ale leviter infuscate, margine costali fulvescente. Campus anterior angustus, apice leviter truncatus vel rotundatus, campum posticum vix superans. Incisura apicalis inter campos nulla; apex ale inter campum anticum et posticum aream membranaceam intercalatam angustam prebens. Abdomen supra testaceo-flavum, segmentis posterioribus utrinque castaneo-umbratis, angulis leviter prominulis, subacutis, 7° segmento leviter prominulo, angulis leviter productis, rotundatis. Venter castaneus, limbo et basi luteis, sparse fusco-punctatis. Lamina supra-analis 9 longiuscula, paulum prominula, retro attenuata, rotundata, leviter incisa, bilobata, basi fusca. Ultimum segmentum ventrale inter cercos productum, margine valde arcuato, subtruncato. Cerci modice longi, testacei, laminam supra-analem haud longe superantes, apice anguste attenuato, haud nigro.
Long. 18; elytr. 17-5, pronot. 4:25, latit. pronot. 6-5 millim.
Hab. Mexico, Eastern Cordillera (Saussure), Teapa in Tabasco (H. H. Smith).
Saussure formerly included specimens from Cuba and others from South America under E. azteca; these are here separated under the names E. caraibea and EL. lati-
frons respectively.
(7. Epilampra caraibea, sp. n.
E. aztece simillima, at minus fusco-picturata. Caput ubique sparse fusco-punctatum, fronte infra antennas vitta angusta transversa flavida; vertice inter oculos nigro, saltem pictura nigra. Caput superne flavidum, occipite fusco-binotato. Pronotum omnino subtilissime fusco-punctulatum, in disco densissime, utrinque sparsius, necnon ad margines laterales punctis majoribus fuscis; pictura lyrata fusca nulla.
BIOL. CENTR.-AMER., Orthopt., Vovember 1893. Kk
66 ORTHOPTERA.
Elytra linea humerali basali nigra brevi; campo marginali pallescente, irregulariter fusco-rufo punctulato ; campo discoidali et anali minute irregulariter fusco-rufo-irrorato, subtessellato; necnon in vena principali plus minus fusco-maculosa.- Alarum campus anterior apice paulo magis acutus, campum posticum leviter superans. Abdomen angulis segmentorum ultimorum acutis, segmento 7° leviter prominulo, angulis leviter productis, rotundatis; supra pallide piceum, marginibus pallidis, subtus testaceo-fulvum, omnino subtiliter fusco-punctulatum, maculis stigmatalibus nonnunquam minutis fuscis. Pedes ut abdomen omnino fusco-punctulati, femoribus supra fusco-marginatis, tibiis ad exsertionem spinarum fusco-maculosis, spinis testaceis; tarsorum articulis supra apice fuscis.—¢ abdominis segmenta angulis rotundatis, nullomodo angulatis; ¢ @ lamina supra-analis distincte prominula, rotundata, apice attenuata, incisa. Ultimum segmentum ventrale 9 in medio parum fortiter arcuatum. ©. Long. 18; elytr. 17, pronot. 5, latit. pronot. 6 millim.
Hab. Antilles, Cuba (Mus. Genavense). |
(8. Epilampra burmeisteri, Gueér.
Phyllodromia burmeisteri, Guér. Ins. de Cuba (Ramon de la Sagra), p. 345; Sauss. Mém. Mex., Blatt. p. 181. 65, fig. 25.
Epilampra burmeisteri, Sauss. Miss. Scient. Mex., Orthopt. p. 81. 4.
2. E. caraibee simillima at major. Capite et pronoto ille speciei pictura simillimis, marginibus tamen lateralibus pronoti punctis majoribus raris ac minoribus. Elytra haud dense fusco-irrorata, omnino remote fusco-punctulata ; campo discoidali ultra medium punctis 3-4 majoribus, alteroque campi analis, necnon linea brevi nigra in vena mediastina, maculaque ad basin vene analis (ut in ZL. latifronte) ornata. Als apice late subsinuate. Pedes testacei; coxe in medio remote fusco-punctate ; femora lineis fuscis marginata, punctis fuscis raris notata; tibie ad spinas fusco-maculate; articuli tarsorum apice fusci. Abdomen frequenter infuscatum, subtus et supra subtiliter dense fusco-punctulatum, segmentorum angulis subacutis. Lamina supra-analis parum prominula, rotundata, leviter incisa ; cercis apice fuscis.
Var. a. Tota pallide fulva, vertice inter oculos nigro ; pronoto haud fusco-punctulato, tantum in marginibus punctis remotis consperso, disco maculis minutis nonnullis nigris. Pedes et abdomen testacea, hoc subtus haud vel sparse fusco-punctulatum.—b6. Elytrorum linea nigra basali nulla.
3g. Oculi quam in 2 invicem hand propiores; coxe parum vel haud granulose ; lamina infra-genitalis macula media fusca,
©. Long. 22°5; elytr. 22-5, pronot. 6:5, latit. pronot. 7-3 millim.
Hab. AnvitiEs, Cuba (dZus. Genavense).
All our males are of a pale colour, as in the variety a. |
[9. Epilampra latifrons, sp. n.
d. Fulvo-testacea, E. aztecce et H. caraibee simillima. Oculi quam in illis sensim magis remoti, quam ocelli flavi magis distantes. Caput flavidum, inter ocellos et inter oculos macula magna nigra ornata. Pronotum utrinque maculis minutis fuscis punctatum, disco fusco-picturato et punctulato. Elytra et alee quam in speciebus laudatis paulo breviora; elytra apice paulo latiora vitta humerali nigra brevi, omnino maculis fusco-rufis remotis conspersa. Alarum campus anterior latior, apice rotundatus, campum posteriorem distincte superans, incisura anali inter campos distincta; area intercalata membranacea inter illas nulla. Pedes testacei, immaculati, spinis et apice tarsorum rufidis. Abdomen superne piceo-infuscatum, mar- ginibus pallidis ; subtus flavo-testaceum,immaculatum. Segmentorum anguli vix producti, rotundati( 3), 6™ subacutum. Lamina supra-analis ¢ haud prominula, coriacea, basi fusca, margine postico transverse arcuato, integro. Cerci testacel, quam in speciebus laudatis sensim breviores, apice nec anguste producto, nec nigro (ut in . azteca).
Long. 14:5; elytr. 14:5, pronot. 4°75, latit. pronot. 6 millim.
Hab. Sovta America (ius, Genavense, ex coll. Guérin).
EPILAMPRA.—CALOLAMPRA. 67
In this species the marking of the pronotum is intermediate between that of E. azteca and that of E. caraibea; the markings of the elytra are also intermediate, being more finely and less irregularly punctured than in Z&. azteca, but more irregularly than iu E. caraibea ; the colour of the abdomen on the upperside is like that of E. caraibea. |
CALOLAMPRA, Sauss.
Calolampra, Saussure, Societas Entomologica, 1893, p- 58.
Generi Zpilampre simillimum ; differt tamen feminis apteris vel elytris valde abbreviatis squamiformibus ; marium elytris complete explicatis vel atrophicis. Femora anteriora subtus margine postico inermi, tantum spina apicali instructo, margine antico inermi vel basi spinoso, apice spinis 1 vel 2 majoribus.
Synopsis specierum. a. Femora anteriora spinosa. Elytra 2 rudimentalia vel nulla.
b. Femora subtus margine postico inermi; femora anteriora margine antico basi spinis normalibus, apice spinulis minimis piliformibus instructo. (Blattine, Type 2, Piata- modes, anted p. 30). Elytra 9 rudimentalia, ¢ completa. Tarsi graciles, metatarso postico quam reliqui articuli computati haud breviore.—[gracilis, Br. (Australia) | ; [heusseriana*, Sss.].
bb. Femora 2°, 3? subtus in utroque margine spinosa. ‘Tarsi breves, crassiusculi. Feminz aptere. Mares ?—1. brevitarsis, Sss. aa. Femora anteriora in utroque margine mutica; posteriora saltem in margine postico rare spinosa. Elytra marium completa.—2. dispinosa, Sss.
1. Calolampra brevitarsis, Sauss. (Tab. IV. fig. 39.) Calolampra brevitarsis, Sauss. Societas Entomologica, 18938, p. 58.
@. Gracilis, depressa, fusco-nigra, nitida. Caput prominulum, vertice rotundato, ore et ocellis testaceis.
Antenne crassiuscule, fusco-testacee. Pronotum corneum, parabolicum, antice truncatum, margine Mesonotum et metanotum angulis posticis nullomodo productis; marginibus Thorax coriaceo-punctulatus. Pedes fusco-testacei, sat robusti. Femora Femora intermedia et
posteriore parum arcuato. lateralibus mesonoti arcuatis. anteriora subtus margine antico piloso-spinuloso, ad basin spina 1, apice 2. posteriora remote spinosa, spinis marginis antici brevibus. Tarsi breves ac crassi, plantis crassis ; meta- tarsus posticus brevis, articulis 3 sequentibus vix equilongus, articulo 2° brevi, subtus basi haud carinato. Abdomen vix dilatatum. Lamina supra-analis cornea, rotundato-trapezina, minute trigonali-incisa. Cerci conici, testacei. Ultimum segmentum ventrale subconvexum, inter cercos rotundatum.
Long. 14:5; pronot. 4, latit. pronot. 5 millim. Hab. Panama (Mus. Genavense).
2. Calolampra bispinosa, Sauss. (Tab. III. fig. 26.) Calolampra bispinosa, Sauss. Societas Entomologica, 1893, p. 58.
Q. Gracilis, rufo-testacea. Caput prominulum, crassiuscule punctatum, ocellis, ore et antennis testaceis. Pronotum corneum, nitidum, fusco-castaneum, crasse punctatum, lateribus deflexis, marginibus lateralibus
* In this species the anterior femora, ¢, are armed as in Epilampra. The Q has also occasionally one spine on the posterior margin of the anterior femora. It makes a transition to the true Epilampra.
Kk 2
68 ORTHOPTERA.
testaceis, margine posteriore parum arcuato, valde obtusangulo vel rotundato. FElytra angusta, abdomen paulum superantia, testaceo-hyalina, macula basali grandi campi analis rufo-castanea. Ale subhyaline, venis testaceis, margine medio costali albicante; vena ulnari ramos 3 ad marginem apicalem emittente. Pedes testacei, crassiusculi. Femora subtus spinis apicalibus minimis ; femora anteriora subtus margine antico dense piloso-pectinato; femora intermedia et posteriora margine inferiore postico ante medium spinis 2 remotis armato. Tarsi sat breves, metatarso postico reliquis articulis computatis paulo breviore. Abdomen infuscatum, basi pallidum, marginibus lateralibus luteis. Lamina supra-analis testacea, trans- versa, margine posteriore transverse arcuato, Jamin infra-genitali equilonga ; hee margine posteriore obtusangulo, luteo-limbato, angulo rotundato. Cerci acutiusculi, laminam supra-analem superantes. Long. 21; elytr. 18°5, pronot. 5°25, latit. pronot. 6°8 millim.
Hab. Panama (Mus. Genavense).
This species makes a sort of transition to the Panchlorine, the femora being very
sparsely spinose, and the pronotum being intermediate in form between that of Panchlora and that of Naupheta.
[OPISTHOPLATIA, Brunner de W. Opisthoplatia, Brunner de W., Syst. des Blatt. p. 198.
1. Opisthoplatia orientalis, Burm.
Polyzosteria orientalis, Burm. Handb. ii. p. 482.1; Saussure, Mém. Mex., Blatt. p. 54.3; Stoll, . Kakkerl. t. 5 d. fig. 25.
Opisthoplatia orientalis, Brunn. de W., Syst. Blatt. p. 199. 1; Saussure, Miss. Scient. Mex., Orthopt. p. 85. 1.
Hab. Ixpia, in America transducta. |
RHICNODA, Brunn. de W. Rhicnoda, Brunner de W., Rev. du Syst. des Orthopt. p. 80 (1898).
A very peculiar genus, remarkable on account of the shape of the body and its produced triangular supra-anal plate.
Synopsis specierum. - a. Pronoti margo anterior reflexus. Femora anteriora spinis 3-4 armata, reliqua subtus inermia. Arolia inter ungues perdistincta.—1. reflexa, sp. n. aa. Pronoti margo anterior haud vel vix reflexus. b. Femora omnia subtus spinosa. Arolia inter ungues nulla (Asiatice).—rugosa, spinu- losa, Br. bb. Femora? Arolia? (Americane.)—[2. laminata, Br. ]
1. Rhicnoda reflexa, sp. n. (Tab. IV. fig. 35.)
6. Brunneo-ochracea, subtus ochraceo-testacea ; tota granulata, aptera, deplanata. Antenne breves. Thorax valde carinatus. Pronotum rotundato-trigonale, utrinque granulatum, posterius tuberculis majoribus nitidis instructo ; margine anteriore valde reflexo, disco convexo, subtrilobato. Meso- et metanotum squa- moso-granulosa vel punctata, margine posteriore tuberculoso; angulis retro productis, apice rotundatis.
. RHICNODA. 69°
Abdomen punctatum, segmentorum margine eodem modo granuloso-tuberculoso ut in thorace, angulis retro productis. Lamina supra-analis trigonalis, carinata, marginibus reflexis, apice trigonali-incisa, bilo- bata. Cerci brevissimi.
Long. 21°8; pronot. 6-4, latit. pronot. 10°5, mesonoti 13 millim.
Hab. Nicaraava, Chontales (Janson).
This insect may prove to be a larval form, although no lateral sulci are indicated on the meso- and metanotum. | |
[2. Rhicnoda laminata, Brunner de W. Homalopteryx laminata, Brunn. de W. P. Z.S. 1892, p. 204, t. 15. fig. 4 (d 2).
Hab. Antiues, St. Vincent. |
Tribus PERIPLANETINA.
Periplanetide, Brunner de W. Syst. Blatt. p. 202. Periplanetiens, Saussure, Mélang. Orth. i. 2° fase. p. 75. Periplanétites, Saussure, Miss. Scient. Mex., Orthopt. p. 70.
Abdominis 4" segmentum dorsale margine postico transverso, recto (in G. deropelti, 2 , undato).
Synopsis generum *,
1, Cerci laminam supra-analem superantes. Tibi supra triseriatim spinose. Lamina supra-
. analis ? trigonalis, incisa vel truncata; vel rotundata, bilobata; ¢ variabilis, frequenter
transverse quadrata, late obtusangulatim subincisa, Elytra in utroque sexu completa vel abbreviata, squamiformia vel nulla.—(Stirps PertpLanera.)
2. Tarsi postici crassiusculi, parum elongati, plantis magnis, saltem in articulis 2°-4°. Meta- tarsus articulis 3 sequentibus computatis xquilongus vel parum longior. Arolia inter ungues majuscula. Oculi invicem valde remoti, in vertice quam scrobe antennarum magis vel equaliter distantes. Elytra abbreviata, vel squamiformia vel nulla.
3. Cerci breves, laminam supra-analem vix superantes, Elytra cornea, valde abbreviata vel squamiformia. Ale squamiformes vel nulle.—Euvrycoris, Stal. _
33. Cerci elongati, laminam supra-analem sensim superantes. Elytra et ale abdomen haud superantia. Elytra coriacea; alarum campus posticus ramoso-venosus, in requiet= haud plicatus.—PrtmarositpHa, Dohrn.
22. Tarsi postici graciles, elongati, plantis minutis ; illa 2‘ articuli dimidiam partem basalem marginis inferi liberans. Metatarsus reliquis articulis computatis equilongus vel longior, compressus, subtus valde spinulosus. Arolia inter“ungues parvae Cerci longi.
3. Oculi invicem remoti. 4. Planta articuli 2' tarsorum posticorum partem dimidiam articuli occupans. Abdomen | serratum, angulis segmentorum retro acutis. Elytra abbreviata vel squamiformia. _ —Doryia@a, St.
* The genus Platyzosteria, Brunn. de W., is an Australian and Indian type, and has for synonym the genus Melanozosteria, Stil, which name must be suppressed. .
70 ORTHOPTERA.
4A, Planta articuli 2‘ tarsorum posticorum parva. Abdomen in maribus haud serratum. Elytra feminarum abbreviata vel nulla——Srytopyea, Fisch. 33. Oculiinvicem parum remoti, quam scrobi antennarum minus distantes. Plante tarsorum posticorum minutissime. Elytra et ale condite explicate. Pronotum subconvexum antice attenuatum, plus minus biimpressum.—Peripianeta, B.
1]. Cerci laminam supra-analem haud superantes. Tibia supra 2- vel 3-seriatim spinose. Lamina supra-analis transverse quadrata, 2? plus minus rotundata. Cerci breves. Femins aptere. Mares complete alati ; elytris sat angustis ultra medium dilatatis, campo marginali angusto. (Genera mundi antiqui.)—Stirps Drroretris, B.
2. Tibi biseriatim spinose.—PsEuDODEROPELTIS, Krauss. 22. Tibie triseriatim spinose.—Derorettis, B.
EURYCOTIS, Stal.
Eurycotis, Stal, Rech. sur le Syst. des Blattaires (Sv. Ak. Handl., Bihang, ii. p. 18 (1874). Platyzosteria *, Brunner de Wattenwyl (ex parte), Syst. Blatt. p. 204.
Synopsis specierum. a. Elytra lateralia, squamiformia. b. Ale nulle. c. Corpus totum nigrum vel castaneum. d. Vertex haud vittatus. Pedes castanei vel rufescentes.—1. mexicana, Sss. dd. Vitta frontalis et pedes testacei.—2. vittifrons, sp. u. cc. Corpus flavo-varium. ; d. Pronoto utrinque rufo-vittato.—3. mysteca, Sss. dd. Elytris flavis.—[4. flavipennis, sp. n.] 6b. Elytra et ale squamiformia.—5. quadrisquamata, sp. n. aa. Elytra sese intus tangentia, cornea, brevissima, transverse truncata : 6. metanotum liberantia : c. Tota nigra.—[6. opaca, Brunn.] ec. Thorace lateraliter flavo-vittato.—[7. finschiana, Sss.] 66. metanotum tegentia.—[8. subalata, sp. n.]; [9. occidentalis, Sss.].
1. Eurycotis mexicana, Sauss.
Polyzosteria mexicana, Sauss. Rev. et Mag. de Zool. 1862, p. 163 (larva) ; Mém. Mex., Blatt.
p- 54.4 (2 3) (nympha); Brunn. de W. Syst. Blatt. p. 216. 16; Sauss, Miss. Scient. Mex., Orthopt. p. 70. 1, t. 2. figg. 39, 39a.
Poiyzosteria azteca, Sauss. Mém. Mex., Blatt. p. 55. 5 (larva, ¢).
Tota nigra, maculis ocellaribus minutis. Antenne rufescentes, basi nigre. Corpus deplanatum, Elytra squamiformia, mesonotum parum superantia. Ale nulle. Spine tibiarum rufescentes. Lamina
* Platyzosteria must be retained for the subgenus to which Stal has given the name Melanozosteria.
EURYCOTIS. 7
supra-analis 9 longiuscula, rotundato-emarginata, rotundato-bilobata; og brevior trapezina, obtusissime subincisa, angulis rotundatis. ©. Long. 21:5, g 18°25 millim.
Hab. Mexico, Eastern Cordillera, Orizaba, and Moyoapan (Swmichrast), Puebla (Saussure), valley of the city of Mexico (Forrer).
2. Kurycotis vittifrons, sp. n.
2. Nigra, Z. mexicane formis simillima. Caput pallide testaceum, macula grandi faciei verticeque inter oculos, nigris, necnon vitta frontis supra antennas arcuata flavida. Antenne rufo-fusce, basi ultra 3™ articulum fusca. Elytra rotundato-squamiformia, quam in specie laudata latiora, apice latius rotundata. Pedes testacei vel rufescentes. Lamina supra-analis sat elongata, obtusangulatim incisa, angulis rotun- datis. Cerci laminam supra-analem parum superantes, apice subito anguste attenuati ac rufi.
Long. 8°5; elytr. 2°25, pronot. 5°75, latit. pronot. 7°5 millim.
Hab. Guatemaa (Oltramare, Mus. Genavense).
3. Hurycotis mysteca, Sauss. Periplaneta mysteca, Sauss. Rev. et Mag. de Zool. 1862, p. 170; Mém. Mex., Blatt. p. 77. 21. Polyzosteria mysteca, Sauss. Miss. Scient. Mex., Orthopt. p. 71. 2, t. 2. fig. 40.
Platyzosteria rufo-vittata, Brunn. de W. Syst. Blatt. p. 215. 15.
2. Nigra, convexiuscula; antennis ferruginescentibus, basi nigris. Macule ocellares minute. Pronotum utrinque vitta submarginali aurantiaca vel rufa postice dilatata, rotundata, marginem posticum liberante. Elytra squamiformia, mesonotum leviter superantia, apice rotundata.. Ale nulle. Spine tibiarum rufescentes. Lamina supra-analis 9 illi #. mexicane conformis.
Long. 20°5 millim.
Hab. Mexico, Oaxaca (Saussure).
[4. Eurycotis flavipennis, sp. n.
Q. Nigra, nitida, H. mexicane formis simillima at paulo major. Antenne ferrugines, basi testacee. Caput nigrum, ocellis et ore testaceis. Elytra anguste squamiformia ut in specie laudata, ochracea, marginibus omnibus anguste nigris. Pedes compressi, latiusculi, castanei, coxis testaceis, fusco-umbratis. Femora rufescentia, apice et marginibus subtus fuscis; posteriora subdilatata, apice leviter attenuata, faciebus binis planatis, subexcavatis punctatisque. Lamina supra-analis apice obtusangulatim incisa. Cerci nigri, parum acuti, regulariter acuminati ut in EH. mysteca.
Long. 20-5; elytr. 3, pronot. 6, latit. pronot. 8 millim.
Hab. Cusa (Poey, Mus. Genavense). |
5. Kurycotis quadri-squamata, sp.n. (Tab. IV. fig. 40.)
©. Fusco-castanea (vel nigra), nitida, coriacea. Antenne ferruginescentes, basi castanee. Caput remote punctatum, maculis ocellaribus 2 flavis, vertice prominulo. Pronotum parabolicum, sat convexum, antice truncatum, postice transversum in medio brevissime subproductum. LElytra et ale squamiformia, meso- notum et metanotum quarta vel quinta parte superantia, margine externo subrecto, interno arcuato. Elytra punctata, apice ad marginem acuminata; ale apice potius truncate vel intus rotundate. Lamina supra-analis, fere ut in EH. mexicana, quam longa basi duplo latior, margine postico obtusangulatim inciso, angulis haud acutis. Cerci? |
Long. 19°25 ; pronot. 6-25, latit. pronot. 9, latit. abdom. 10°5 millim,
Hab. Guatemata, San Gerdénimo (Champion: 1 ¢ ).
72 ORTHOPTERA. |
[6. Eurycotis opaca, Brunn. Platyzosteria opaca, Brunn. de W. Syst. Blatt. i. p. 216. 17 (¢).
dé. Major, nigra, sparse punctata; elytra quadrata, truncata, transversa, mesonotum parum superantia, Coxee testaceo-limbatee.
Long. 37 millim. Hab. ANTILLES, Cuba. ]
_ 7. [Eurycotis finschiana, Sauss. Platyzosteria finschiana, Sauss. Mélang. Orthopt. ii. iv’ fase. p. 111. 7 (1872) (2 3). Polyzosteria cabrere, Bolivar, An. Soc. Esp. Hist. Nat. x. p. 355, t. 8. figg. 3, 3. a (1881) (? 3 ).
Hab. ANTILLES, Cuba (Finsch, in mus. Genavense). |
[8. Kurycotis subalata, sp. n.
Q@. Statura et formis H. mexicane ; nigra, capite rufo, ore et ocellis flavo-testaceis.
Meso- et metanotum utrinque rufescentia.
Elytra que longa ac lata, metanotum tegentia, illum utrinque paulum superantia, in medio ejus marginem posticum liberantia, subquadrata, coriaceo-punctata ; margine posteriore trans- verso, leviter obliquo,-angulo externo rotundato, interno subrectangulo. Ale tantum delineate, cornex,
laterales, angustee, metanoti longitudine, haud separate. Pedes rufi, coxis fuscis; anticis valde punctatis. Lamina supra-analis incisa, angulis hebetatis. Cerci latiusculi, parum acuti. Long. 18; elytr. 4, pronot. 5°75, latit. pronot. 8 millim.
Hab. Sourn America, Colombia (Mus. Genavense). |
[9. Eurycotis occidentalis, Sauss.
Periplaneta occidentalis, Sauss. Rev. et Mag. de Zool. xvi. p. 318 (1864) (9) ; Mém. Mex., Blatt. p. 74.19; Miss. Scient. Mex., Orthopt. p. 72. 2.
Hab. ANTILLES. |
PELMATOSILPHA, Dohrn. Pelmatosilpha, H. Dohrn, Stett. ent. Zeit. 1887, p. 410.
Synopsis specierum. a. Elytra et ale abdominis longitudine.
6. Castanea, stature mediocri (long, 27 millim).—[1. alaris, Sss. (Brasilia).] [Mém. Mex., Blatt. p. 75. 20, t. 1. fig. 10.]
6b. Maxima, picea (long. 48 millim.).—[2. prestans, Dohrn (Peruvia).] [Stett. ent. Zeit. 1887, p. 411.]
aa, Minor, nigra; elytris abbreviatis ; alis minutis infuscatis.—3. villana, sp. n.
1. Pelmatosilpha villana, sp. n. (Tab. IV. figg. 41, 42.)
Q. Nigra, nitida, formis sensim ut in Zurycoti mewicana ; ocellis flavis, minimis; palpis nigris. Oculi maxime remoti. Elytra cornea abdominis tegmenta 2 prima tegentia, margine suturali recto, margine costali ultra medium fotus arcuatus (cum margine postico in arcum continuo), angulo apicali suturali minute
PELMATOSILPHA.—PERIPLANETA. . 73
rotundato ; sulco anali nullo, tantum in 2 marginis suturalis obsolete perspicuo, subperpendiculari. Ale minute, ovate, apice late rotundate, campo antico quam postico valde latiore, castaneo-opaco, margine anteriore valde arcuato, campo marginali lato, reticulato. Vena discoidalis crassa, lata; vena media ad costam crasse ramosa. Vena dividens recta. Campus posterior angustus, pallidior, ab anteriore per vittam subhyalinam separatus, venis crassis, ramosis ac reticulatus; margine postico subrecto. Pedes nigro-castanei, spinis tibiis et tarsis rufescentibus. Lamina supra-analis longiuscula, rugulosa, apice incisa, marginibus lateralibus integris, angulis rotundatis. Cerci mediocres, apice rufescente. Long. 23; elytr. 7:5, pronot. 6-2, latit. pronot. 8-4 millim. Hab. Panama, Isthmus of Panama (#7. de Ville; Mus. Genavense et Mus. Bruzel- lense).
DORYLAA, Stal.
Dorylea, Stal, Orthopt. Nova ex Ins. Philippinis (Ofv. k. Vetensk.-Ak. Férhandl. 1877, no. 10), p. 36.
1. Dorylea rhombifolia, Stoll. Blatta rhombifolia, Stoll, Kakkerl. t. 3 d. fig. 18; Sauss. Mém. Mex., Blatt. p. 267. Periplaneta rhombifolia, Sauss. Miss. Scient. Mex., Orthopt. p. 72. 1. Periplaneta histrio, Sauss. Mém. Mex., Blatt. p. 73. 18. Periplaneta decorata, Brunn. de W. Syst. Blatt. p. 224. 2.
Hab. Mexico; Centrat AMERICA.—BRaziIL.—East Inpres.—AFRICA.
A cosmopolitan species within the tropics.
STYLOPYGA, L. H. Fischer et auctt.
1. Stylopyga orientalis, Linn. et auctt. ——, Th. Moufet, Insect. sive minimorum animal. Theatrum, p. 138, figg. ¢ ? (1634).
Hab. Nortu AmeERicA.—MExico; CENTRAL AMERICA.—ANTILLES.
A cosmopolitan species, inhabiting store- and dwelling-houses, ships, &c.
PERIPLANETA, Burm.
Kakerlac, Latreille ; Serville. Periplaneta, Burmeister (ex parte) ; Stal.
The species of this genus inhabit houses and are quite cosmopolitan; they are spread over the tropical and subtropical regions of the whole world, and are a plague in store- houses, ships, &c.
Synopsis specierum. a, Femine. Lamina supra-analis profunde trigonali-incisa : b. ultra segmentum ultimum ventrale producta, trigonali-bilobata. c. Elytra tota ferruginea. Pronotum margine postico magis arcuato, rufo- vel fusco- bimaculatum vel disco rufo-fusco, fascia intramarginali circumcirca obsolete flava.— l. americana, L. . BIOL. CENTR.-AMER., Orthopt., November 1893. ul
74 ORTHOPTERA.
ce. Elytra ad basin coste flavo-vittata. Pronotum nigro-bimaculatum vel macula trans- versa nigra, circumcirca vitta lete flava, margine postico nigro, minus arcuato.— 2. australasie, L. 6b. segmentum ventrale haud superans, rotundato-bilobata. Pronotum omnino castaneum vel ut in P. americana obsolete pictum. Elytra tota castanea.—3. truncata, Br. aa. Mares. Lamina supra-analis : . b. grandis, membranacea, producta, rotundata, fissa. Lamina infra-genitalis transversa, stylis longissimis.—1. americana, L. 6b. truncata, infra-genitalem haud superans ; styli mediocres. Lamina supra-analis : ce. transverse truncata, utrinque rectangula. Lamina infra-genitalis in medio margine sinuato, rotundato-sub-bilobata.—2. australasie, L. cc. transversa, angulis rotundatis. Lamina infra-genitalis margine transverso vel sub- sinuato.—3. truncata, Br.
* 1. Periplaneta americana, Linn. , M. Merian, Surinaams Ins. p. 1, t. 1 (1730).
Periplaneta americana, auctt. Periplaneta brunnea, Burm.; Brunner de W.
Hab. Mexico; Centrat AMEeRIca.—Tropical and subtropical regions generally.
Var. a. Fere omnino fusco-castanea. Mexico, Mazatlan.—b. Pronoto flavo, nigro-bimaculato, margine toto angustissime fusco (cum P. australasie facile confunditur).
2. Periplaneta australasiz, Fabr. et auctt. Hab. Tropicat AMERICA.—INDIA ; AUSTRALASIA.
3. Periplaneta truncata, Brunn. Periplaneta truncata, Brunn. de W. in litt.; Krauss, Syst. Verz. der canarischen Dermapteren und Orthopteren [Zoologischer Anzeiger, xv. p. 165 (1892)].— 2? ¢.
Var.a. Tota castanea.—b. Pronoto flavicante, fusco- vel rufo-bimaculato, marginibus anguste fuscis ; elytrorum costa basali haud flavo-vittata.—c. Pronoti disco toto flavido, circumcirca fusco-limbato.
Hab. Mexico, Atoyac in Vera Cruz (Schwmann).—Braziu.—AvustraLasia, New - Britain (Brunner); Arnica, Teneriffe (Krauss).
This insect appears to have been obtained originally in Australasia. Like P. aus- tralasie, it has probably been conveyed to various distant parts of the world, including
Brazil and Mexico. It is apparently as yet a rare insect in America. Mr. Schumann found a single ( ¢ ) example at Atoyac in Eastern Mexico. |
PLECTOPTERIN 2. 75
Tribus PLECTOPTERIN A *. Chorisoneuride, Brunner de W. Syst. Blatt. p. 251. | Chorisoneuriens, Saussure, Mélang. Orthopt. 1. 2° fasc. p. 94. Chorisoneurites, Saussure, Miss. Scient. Mex., Orthopt. p. 89. Diploptériens, Saussure, Mém. Mex., Blatt. p. 154 (Prosoplectiens, p. 145). Oxyhaloide, Brunner de W. Revis. du Systéme des Orthoptéres, p. 40.
This Tribe is equivalent to the Anaplectine, but its species are destitute of spines on the femora; it has the same peculiar structure of the wings, 7. ¢. these organs have an apical turned back field—either small and intercalated, or large and appendicular. In the Plectopterine this character becomes even more strongly pronounced (Diploptera) than in the Anaplectine. The resemblance of the two tribes is especially remarkable in the genera Chorisoneura (corresponding to Ectobia) and Anaptycta (corresponding to Anaplecta). The genus Plectoptera reproduces also with great similarity the wing of an Anaplecta. | |
The name “Chorisoneuride” has recently been changed to “ Oxyhaloide” by Brunner de Wattenwyl, this author having followed the suggestion of Stal in placing Chorisoneura in his Tribe “ Ectobine,” next to Ectobia, owing to its external resem- blance to that genus. The name ‘‘ Oxyhaloide,” formed from the generic term Oxyhaloa, does not seem suitable, as Oryhaloa is the only genus in which the most important character of the Tribe (appendicular field to the wings) is not expressed (see below, p. 77). In consequence, we prefer to name this Tribe “ Plectopterine,”’ after the typical genus Plectoptera (comp. pp. 14, 15).
We do not adopt the views of Staland Brunner de Wattenwyl as regards the position of Chorisoneura. We consider that the Anaplectine (Ectobine, Brunn. de W.) and the Plectopterine form two parallel series, in each of which much the same kind of types are repeated as follows :—
ANAPLECTIN PLECTOPTERINA.
{ Chorisoneura, Br.
Wings with small intercalated field ....| Hetobia .... setae Prosoplecta, Sse.
Wings with large appendicular field ..| Anaplecta ........ Anaptycta, Br.
{sure Sss. Diploptera, Sss.
The names “Ectobide” and ‘*Chorisoneuride,” introduced by Brunner de Wattenwyl, are very appropriate, being based on corresponding equivalent genera. Now, as the name “Chorisoneurine ” has to be abandoned, it is convenient to replace it by the
* For the very curious structure and folding of the wings of the species of this Tribe, comp. H. de Saussure, Mém. Mex., Blatt. p. 154; and ‘Annales des Sciences Naturelles,’ x. p. 161 (1868).
Ll 2
76 ORTHOPTERA.
name ‘Plectopterine,” so as to make it equivalent to the Anaplectine (adopted instead of Ectobine). In this way the names of the two Tribes will be based on their most typical and most perfectly corresponding genera.
Synopsis generum.
1. Majores. Corpus depressum. Caput valde prominulum, oculis maxime remotis. Lamina supra-analis 2 semiorbicularis, ¢ brevissima, transversa. Cerci brevissimi. LElytra coriacea, venis longitudinalibus numerosis, crassiusculis. Pedes breves, tarsis crassius- culis. Ultimum segmentum ventrale 2 latum, rotundatum; lamina infra-genitali ¢ rotundata, stylis lateralibus instructa. Habitus Oxyhaloa buprestoides.
2. Ale campo appendiculari nullo; campo anteriore angusto; vena dividente frequenter arcuata; campo posteriore maximo, amplectente; vena axillari ramos radiatos nume- rosos et ad apicem emittente ; vena ulnari recta, ramulos obliquos plurimos ad venam dividentem emittente. Ultimum segmentum ventrale 2 in medio productum, rotun- datum, utrinque sinuatum. [Elytra coriacea, in requiete abdominis latera liberantia, venis distinctis, quadrato-reticulata, venulis costalibus arcuatis. Pronotum ellipticum. OxyHatoa, Br.
22. Ale longissime ; dimidia parte apicali parabolica, tota venosa, in requiete tota repli- cata; campo radiato minore, plicum transversum ale haud superans. Ultimum segmentum ventrale 2 breve, transverse arcuatum. LElytra subcornea, punctata, abdominis latera haud liberantia; venis obsoletis, venulis costalibus nullis. Pronotum 2 trapezinum.—[DiprLopTera, Sss. |
11. Minores. Lamina supra-analis 9 trigonalis, leviter incisa, ¢ transversa; cerci variabiles. Ultimum segmentum ventrale 2 elongatum vel amplum, apice subcompressum. Lamina infra-genitalis ¢ stylis brevibus instructa. Ale quando explicate apice campo appendi- culari vel intercalato, replicato, haud venoso, instruct. Pedes frequenter graciles. ,
2. Corpus glabrum. Antenne setacee. Pronotum ellipticum.
3. Corpus depressum. Cercilaminam supra-analem valde superantes. Ale apice campo intercalato trigonali instructz, apice rotundato; campo marginali angusto, venis costalibus numerosis obsito.
4, Elytra venis longitudinalibus tantum 2 (v. discoidali et v. media) (rare 1); vena media ramos obliquos ad marginem suturalem emittente. Venulz costales parallele, pectinatee. Area costalis baseos latiuscula ac brevis.
5. Elytra submembranacea vel coriacea, venosa, sulco anali distincto.
6. Corpus gracile ; caput prominulum, oculis valde remotis. Elytra elongata, submembranacea, apice subacuminata, in requiete corporis latera valde superantia, venis longitudinalibus 2, ramis discoidalibus haud pectinatis. Abdomen elongatum, posterius attenuatum. Ultimum segmentum ventrale Q angustum, apice incisum. Cerci longissimi, apice angustis- simi.—CHorisoneuRA, Br.
66. Corpus ovatum, ellipticum. Caput parum prominulum. Elytra abdomen paulum superantia, vena longitudinali 1, ramis discoidalibus numerosis pectinatis. (Alarum campus appendicularis apicalis, parum vel haud intercalatus. Habitus generis Anaplecte.)—[Anaprycta, Br.]
OXYHALOA. 77
55. Elytra subcornea, abdomen haud superantia, sulco anali obsoleto vel nullo, tota polita, haud in longitudinem punctata; venis per transluciditatem distinctis, subtilibus, distributione illis generis Chorisoneure similibus. Pronotum ? semiorbiculare. Cerci longiusculi—[Hemiprerora, Sss. |
44. Elytra cornea, tota in longitudinem multi-venosa, seriebus longitudinalibus punc- tatis inter venas obsita; sulco anali nullo, venulis costalibus pectinatis nullis ; area costali basi angusta fere et ad apicem elytri angustissime perducta et per sulcum discreta. Cerci mediocres.—[ Arzotaria, Br. ]
33. Corpus convexum, ellipticum; elytris parum elongatis, corneis, sulco anali nullo. Alze campo appendiculari parabolico, elongato, basi transverso instructe ; campo marginali apice dilatato, venis costalibus parum numerosis.—PLecroprera, Sss.
22. Caput, pronotum et elytra pilosa, lanosa. Antenne incrassate, plumose. Pronotum quadratum. Caput valde prominulum, triangulare; oculis maxime remotis. LElytra valde angusta, subcornea, abdomen superantia. Ale apice campo appendiculari variabili instruct. Abdomen apice attenuatum. -Pedes graciles, tibiis graciliter spinosis.—
Hypnorna, St.
OXYHALOA, Brunn. de W. Ozxyhaloa, Brunner de W. Syst. Blatt. p. 252; Saussure, Miss. Scient. Mex., Orthopt. p. 89.
This rather aberrant genus lacks the most important characters of the Tribe Plectopterine—to wit, the wings do not possess an intercalated or appendicular field, which, in rest, is turned back on the upperside. But this exception is more apparent than real; in Oxyhaloa the intercalated triangular field is virtually present, but it is confounded with the posterior field; and this is why the axillar nervure is arched, enveloping the posterior margin of the anterior field *. The species of the Old World are still more aberrant, as in these the posterior field does not envelop the hind margin of the anterior one, and the axillar vein is straight.
1. Oxyhaloa buprestoides, Sauss.
Blatta buprestoides, Sauss. Rev. et Mag. de Zool. 1862, p. 166; Mém. Mex., Blatt. p. 116. 55, fig. 20( 2).
Ischnoptera buprestoides, Brunn. de W. Syst. Blatt. p. 140. 20.
Oxyhaloa buprestoides, Sauss. Miss. Scient. Mex., Orthopt. p. 90, t. 2. fig. 48.
Fuscescens, fusco-punctata. Caput flavescens, facie et vitta verticis fuscis, vittaque interantennali flava. Pronotum ellipticum, margine posteriore leviter subarcuato, haud angulato, disco brunneo, marginibus lateralibus testaceis, valde fusco-punctatis ; sulcis disci campum trapezinum delineantibus ; margine poste- riore transverse striolato. Elytra abdomen superantia, fusco-punctata, margine costali haud sinuato, in medio recto. Alse vitrese, venis brunneis, campo marginali griseo; ven ulnaris ramulis 7-10 pectinata. Pedes testacei, fusco-punctati. Abdomen fuscum, marginibus et ventre medio fulvis, nigro-punctatis.
2. Long. 18°5; elytr. 17, pronot. 4°25, latit. pronot. 6 millim.— 3. 14°6; elytr. 11°75, pronot. 3:5, latit. pronot. 4°6 millim.
Hab. Mexico; GuaremaLa.—Cusa (Mus. Genavense).
_ * Comp. H. de Saussure, Annales des Sciences Naturelles, x. pp. 161-200, t. 11 (1868); and Miss. Scient. Mex., Orthopt. pp. 89, 90, t. 2. fig. 48.
ad
78 ORTHOPTERA.
CHORISONEURA, Brunn.de W. | Chorisoneura, Brunner de W. Syst. Blatt. p. 255; Saussure, Miss. Scient. Mex., Orthopt. p. 90.
In this genus the elytra have always two longitudinal nervures—the discoidal and the median veins. The nervures of the discoidal field are either all longitudinal or oblique ; in the latter case they form oblique branches of the median vein, but they are neither numerous nor dense.
Synopsis specierum.
I.
a. Ven campi discoidalis omnes longitudinales.—[1. anomala, sp. n.] aa, Vene campi discoidalis oblique, in vena ulnari remote subpectinata. 6. Campus intercalatus alarum basi rectangulus, apice prominulus, rotundatus vel sub- truncatus. c. Vena ulnaris alarum apice ramosa.—[2. texensis, sp. n.]; [8. surinama, Sss.]. cc. Vena ulnaris alarum apice indivisa. (Campus intercalatus basi subacutus.) d. Alz infuscate, campo intercalato valde prominulo, apice arcuato, basi obtusangulo. —[4. dimidiaticornis, sp. n.| dd. Alz flavicantes. e. Campus intercalatus minus prominulus, apice subtruncatus, parum arcuatus, basi subacutangulus. Elytra vix fulvescentia.—5. mysteca, Sss. ee. Campus intercalatus prominulus, apice valde arcuatus, basi rectangulus, Elytra fulva.—6. flavipennis, sp. n. 66. Campus intercalatus basi acutangulus. c. Vena ulnaris alarum apice ramosa; campus intercalatus apice vix prominulus. d. Campus intercalatus apice leviter incisus; ale flavicantes, venis et costa flavis.— 7. pellucida, Sss.; [8. minuta, sp. n.]. dd. Campus apicalis haud incisus. e. Ale flavicantes, apice infuscate.—[9. inguinata, Sss. | lee. Ale hyaline, venis brunneo-testaceis, campo marginali vitta brunnea.—10. teniata, sp. n. cc. Vena ulnaris alarum apice indivisa vel haud distincte ramosa. d. Ale infuscate, campo intercalato apice prominulo, subsinuato, basi subrectangulo ; elytra inter venas frequenter infuscata.—11. translucida, Sss. dd. Ale flavicantes ; campus intercalatus breviter prominulus : é. apice arcuatus, basi valde acutangulus.—[12. gracilis, Sss. | ee. apice subtruncatus, basi subrectangulus.—5. mysteca, Sss.
II. 1. Pronotum: a. Antice arcuatum.—[2. texensis]; 6. flavipennis ; 10. teniata; 11. translucida. aa. Magis ellipticum, antice transversum, subtruncatum.—5. mysteca; 6. flavipennis ; 7. pellucida; [9. inquinata]; 11. translucida; [12. gracilis].
CHORISONEURA. 79
2. Elytrorum rami ulnares : a. longitudinales.—[1. anomala.] aa. oblique. 6. Parum numerose (4-5), oblique longitudinales, parum pectiniformes.—[2. texensis] ; 6. flavipennis. bb. Magis oblique et numerose, oblique pectinate.—5. mysteca; 7. pellucida; [9. inguinata] ; 10. teniata; 11. translucida.
3. Elytra in extensu : a. colorata flavida.—6. flavipennis. aa. vitrea, leviter flavicantes.—relique species.
4. Alarum campus apicalis intercalatus vel appendicularis : a. apice prominulus, margine apicali valde arcuato. (Tab. II. fig. 21.) b. margine apicali integro, basali rectangulo : ¢. margine apicali toto arcuato, basali obtusangulo.—[2. terensis] ; [4. dimidiati- cornis |. cc. margine apicali subintegro, basali rectangulo: d. margine apicali toto arcuato.—6. flavipennis. dd. margine apicali obtusiore, subtruncato.—1ll. franslucida. 66. margine apicali ad campum anteriorem minute inciso.—5. mysteca. aa. parum prominulus, basi acutangulus (Tab. IT. fig. 22); margine apicali ad campum anticum leviter inciso : 6. margine apicali toto arcuato.—10. teniata; [12. gracilis]. 6b. margine apicali subtruncato, vel parum arcuato.—7. pellucida; [8. minuta] ; [9. inguinata]. 5. Alarum campi marginalis vene costales : a. haud clavate, vix incrassatze.—[1. anomala.]| aa. apice clavate ; b. elongato-clavatz ; c. venulis transversis nullis.—[2. texensis.] cc. venulis transversis perpendicularibus inter illas ; d, vena mediastina haud continua :
e. venz costales basi perpendiculares, in medio ad venulas transversas fracte (saltem primi), dehine oblique.—[8. minuta]; 11. trans- lucida; [12. gracilis].
ee. ven costales magis oblique, ante medium potius arcuate quam fracte.—[3. surinama]; 7. pellucida; [10. teniata].
dd. vena mediastina plus minus continua, undata, cum venulas transversas confusa.—6. flavipennis ; [9. inquinata.] bb. nodoso-clavate ; c. furcate, venulis transversis paucis.—[4. dimidiaticornis. | cc. venulis transversalibus evidentibus : d. ven costales ad illas frequenter fracte.—5. mysteca; [9. inquinata] ; 11. translucida. dd. ven costales potius basi arcuate, nonnunquam fractze.—10. teniata.
80 ORTHOPTERA.
6. Alarum campus marginalis :
a. totus pellucens (nonnunquam infuscatus).—[2. tewensis]; [8. surinama]; 5. mysteca; 7. pellucida; [8. minuta]; [9. inquinata]; 10. teniata; 11. translucida. aa, ad venas costales plus minus coriaceus ; 6. nonnunquam subcoriaceus.—5. mysteca; 7. pellucida. 6b. distincte coriaceus.—6. flavipennis ; [12. gracilis]. aaa. dubie.—[4. dimidiaticornis|; [9. mquinata].
(1. Chorisoneura anomala, sp. n. (Tab. II. figg. 23, 24.) ¢. Sat minuta, fusca, vertice rufescente.
marginem posticum anguste liberante. fusca.
Pronotum fere rotundato-semiorbiculare, pellucido, disco fusco Elytra abdomen vix superantia, testacea, nebulosa, linea humerali Ale fusce campo appendiculari majore, in requiete inter campum anteriorem et posteriorem reconditus. Vena ulnaris arcuata, haud ramosa. Pedes fusco-testacei. Segmenta abdominis subtus
pallide limbata. Lamina supra-analis rotundato-trigonalis. Ultimum segmentum ventrale majusculum subincisum.
Long. 6-6; elytr. 57, pronot. 1:8, latit. pronot. 2°5 millim. Hab. Perv, Tarma (Mus. Genavense).
A species characterized by its rather short elytra, and by the appendicular field of the wings, which is folded downwards and hidden under the wing. |
[2. Chorisoneura texensis, sp. n.
¢. Tota fulvo-ochracea; statura paulo minore quam Oh. pellucida, paulo majore quam Ch. mystece. Pronoti et elytrorum margines laterales vitrei. Elytrorum vena discoidalis 4-5-ramosa; ejus rami sat longi- tudinales; haud distincte pectinati. Ale flavicantes, venis flavis. Vene costales 5-6 apice clavate,
partim basi furcate. Area medio-discoidalis quam area medio-ulnaris duplo latior, venulis transversis paucis, in dimidia parte apicali. Vena ulnaris apice haud ramosa. prominulus obtuse semiorbicularis, basi obtusangulus.
Long. 9°5; elytr. 9, pronot. 2°25, latit. pronot. 3:2 millim.
Campus appendicularis apice valde
Hab. Norra America, New Mexico, Texas (Boll, Mus. Genavense). |
(3. Chorisoneura surinama, Sauss.
Chorisoneura surinama, Sauss. Rev. et Mag. de Zool. 1868, p. 100.18; Miss. Scient. Mex., Orthopt p. 98.5 (8).
Hab. Guiana, Surinam. |
[4. Chorisoneura dimidiaticornis, sp. n.
Q. Fusco-castanea, fronte et vertice rufescentibus, basi 2 fusce apice 2 albide.
3 Pronotum subellipticum, bi-impressum, disco trapezino-fusco, marginibus lateralibus late, posteriore anguste pellucentibus ; hoc
subarcuato; humeris carinulatis. Elytra castanea, subcornea, elongata, angusta, venis vix perspicuis, margine laterali anguste pellucido. Ale infuscate, venis costalibus 4+ 6 nodosis; vena ulnari indivisa, campo appendiculari apice obtuse semiorbiculari, basi rectangulo; vena axillari biramosa. Pedes pallide testacei. Abdomen fuscum, luteo-marginatum ; cerci fusco-testacei.
Long. 6; elytr. 6-2, pronot. 1°8, latit. pronot. 2°6 millim. Hab. Perv, Tarma (Mus. Genavense).
This species is extremely like Anaplecta azteca (anted, p. 24), but