SCHCENOBATES. 293 



Synopsis specierum. 



a. Corpus alatum. Elytra dimidium abdomen superantia. Pronotum postice valde productum • 

 ejus processus parabolicus; lobis lateralibus margine postico rectangulatim inciso. — 

 1. mexicanus, Sss. 

 aa. Corpus apterum. Pronotum postice parum productum. 



b. Validus. Pronotum postice rotundato-productum, metanotum obtegens, in longitudinem 

 carinulatum ; lobis lateralibus antice subrectangulis. Spinse tibiarum posticarum 11 : 10. — 

 2. apterus, Brunn. 

 bb. Minor. Pronotum postice parum productum, metanotum liberans, haud carinatum ; lobis 

 lateralibus rotundatis. — 3. saltator, sp. n. 



1. Schcenobates mexicanus, Sauss. (Tab. XIV. figg. 12-15.) 



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

 Stenopelm. und Gryllacr. p. 29. 1, t. 6. fig. 8 b. 



S. aptero minor, fulvescens, fusco-marmoratus, subtus testaceus. Caput pallide testaceum, cranio infuscato. 

 Antennae fulvse, articulis basalibus fusco-notatis. Pronotum supra fusco-marmoratum, postice productum, 

 linea longitudinali elevata, in d distinctiore ; lobi laterales dimidiam longitudinem pronoti aequantes, per 

 incisuram humeraiem profundam a processu perdistincte separati; eorum angulo postico in lobulum 

 rotundatum producto. Elytra minuta, oblonga, segmentum tertium abdominis baud superantia. Femora 

 postica subtus spinulis paucis armata. 



$ . Ovipositor sensim incurvus. Lamina infra-genitalis elongato-triangularis, in spinam elongatam producta. 



<S , Segmentum anale spinulis binis, cercis appositis, apice acuto uncinatim recurvo, subappresso, aegre 

 distinguendi, instructum. Lamina supra-analis rectangula. Appendiculi copulares teretes, acuti, apice 

 leviter ad exteriorein curvati *. Lamina infra-genitalis elongata, V-formiter incisa. 



$ . Long. 18-23 ; pronot. 6-8 ; elytr. 8-9 ; femor. post. 18-24 ; ovipos. 10-12 millim. 



J . Long. 20 ; pronot. 7*5 ; elytr. 8 ; femor. post. 20 millim. 



Figures. — Fig. 12, tbe male insect. — Eig. 13, tbe bead from in front. — Fig. 14, the end of the abdomen 

 from beneath. — Fig. 15, the insect in profile (different specimen). 



Hab. Mexico, Orizaba (Saussure). 



2. Schcenobates apterus, Brunn. 



Schcenobates apterus, Brunner v. W. Monogr. der Stenopelm. und Gryllacr. p. 30. 3, t. 6. fig. 8 a. 



Major, apterus, fulvo-testaceus, superne fusco-marmoratus vel infuscatus, superne a fastigio verticis per totam 

 longitudinem corporis carinatus. Pronotum postice rotundatum, posterius corrugatum, plicis elevatis 

 premarginalibus instructum ; lobis lateralibus postice arcuato-rotundatis, margine inferiore cum margine 

 posteriore ad unum continuo, incisura humerali nulla. Femora postica subtus margine interno spinulis 

 minimis 3-5 armata. Tibiae posticae in utroque margine spinis aequalibus 10. Meso- et metanotum 

 abdominisque segmenta prima rugulis longitudinalibus instructa. 



5 . Ovipositor parum incurvus. Lamina infra-genitalis triangularis, in spinam elongatam producta. 



c? . Segmentum anale spinuHs cornutis instructum. Appendices copulares teretes, recti, apice leviter arcuati. 



$ . Long. 30 ; pronot. 10 ; femor. post. 29 ; tib. 27 ; ovipos. 15 millim. 



<5 . Long. 29 ; pronot. 10 ; femor. post. 28 ; tib. 26 millim. 



Hab. Guatemala (Oltramare, Mus. Genavense). 



* When at rest, these appendages appear contiguous, but they are movable at the will of the insect. 



