292 OKTHOPTEKA. 



itaque parum productis, rotundatis. Elytra nulla. Alse squamiformes, laterales, metanoti longitudine, 

 subcoriacea?, fere semi-orbiculares, margine interno valde arcuafco, externo recto; polita?, substriata?. 

 Tibia? posticse sat graciles, apice vix dilatata?, supra vis rugata3 ; eorum margines spinis 4 : 4 vel 4:3 

 armati. Calcaria interna gracilia, acuta, supera 3 inter se fere a?que longa, quam metatarsus breviora. 

 Abdomen infuscatum. 



$ . Ovipositor pro genere longiusculus, sicut in S. sartoriano. 



S . Lamina infra-genitalis ampla, sat elongata {Brunner). 



$ . Long. 23 ; pronot. 6 ; femor. post. 12 : tib. 12 ; ovipos. 4 millim. 



Figures. — Fig. 10, tbe female insect in profile. — Fig. 11, the head from in front. 



Hab. Mexico (Saussure) ; Guatemala. 

 17. Stenopelmatus sartorianus, Sauss. 



Stenopelmatus sartorianus, Sauss. Rev. et Mag. Zool. xi. p. 211 (1859); Brunner v. W. Monogr. 

 der Stenopelm. und Grryllacr. p. 19. 13. 



Gracilis, supra fusco-piceus. Caput, pedes, sternum et venter fulvo-testacea. Caput oblongum; oculi piri- 

 formes, majusculi. Frons inter oculos carinis 2 distinctis, inferius divergentibus ; primi articuli 

 antennarum latitudine fere duplo distantes. Antenna? fusca?, articulis l°-3° fulvis. Pronotum margine 

 antico supra sinuato. Elytra et alse nigrescentia vel picea, $ abdominis apicem liberantia, S abdomen 

 superantia. Alse in requiete $ elytra leviter superantes, S caudata?, ad dimidiam tibiam posteriorem 

 extensa?. Pedes subgraciles. Tibiae postica? elongata?, a latere basi et apice seque lata?, subcanaliculata?, 

 marginibus superioribus spinis utrinque 4; internis paulo majoribus. Calcaria interna ina?qualia; 

 primum quam spina quarta tibia? paulo longius. Tarsi postici longi, quam tibia? paulo breviores, articulo 

 ultimo gracillimo. Lamina infra-genitalis c? plana, quadrata vel apice rotundata. 



$ . Long. 30 ; pronot. 7 ; femor. post. 14 ; elytr. 17 millim. 



$ . Long. 25 ; pronot. 6 ; femor. post. 14 ; elytr. 26 millim. 



Var. 1. brachypterus. Elytra rudimentaria, dors alia, tan turn abdominis primum segmentum tegentia, intus 

 contigua vel haud contigua. Ala? elytra haud vel vix superantes. Calcaria tibiarum posticarum valida ; 

 superiores 2 interna spina? quarta? tibia? valde longiora. — $ . Long. 40 ; elytr. 6 millim. 



Var. 2. S . Ala? ut in feminis breviter caudata?. 



Var. 3. Larva. Nigra ; capite et pedibus flavo-testaceis ; femoribus posticis nonnunquam fuscis, apice 

 flavo-testaceis. 



Hab. Mexico (Saussure), Oaxaca (Schumann); Guatemala, El Tumbador, Las Mer- 

 cedes, Capetillo (Champion) ; Costa Rica (Rogers). 



The frontal scutellum in this species is narrow, in the form of a rounded A (but often 

 effaced at the top), flat, finely punctured, and bordered with acute carinse. 



Group AN0ST0ST0MATITES. 



Anostostomata, Brunner v. W. Monogr. der Stenopelm. und Gryllacr. p. 9. 



SCHCENOBATES, Sauss. 

 Schcenobates, Saussure, Rev. et Mag. Zool. xi. p. 209 (1859) ; Brunner v. W. Monogr. der 

 Stenopelm. und Gryllacr. p. 29. 



