TRYXALINI. 



TRY'XALiIS, Charp. 



Division Achurum, Sauss. 



Head horizontal ; rostrum in no way excavated. Eyes inserted scarcely 

 beyond the middle of the head. Pronotum compressed, but not excavated, 

 selliform ; posterior extremity rounded, scarcely coarctate in front. Elytra 

 very long, passing the wings. Legs very short ; posterior femora about half 

 as long as the elytra. 



T. sumichrasti, Sauss., Rev. et Mag. Zool., XIII (1861), 313. 



Female. — Slender, compressed. Rostrvmi of the head elongate, carinate 

 in the middle ; apex rounded. Eyes slightly prominent. Pronotum tricari- 

 nate, alutaceo-granulose. Elyti'a passing the wings about 0.18 inch. Poste- 

 rior femora much compressed, lamelliform, not more than half the length of 

 the elytra, much shorter than half the length of the body ; the exterior V- 

 shaped laminae of the disk in the form of imbricated scales. Color fusco- 

 testaceous. 



Length of the body, 1.5 inches; elytra, 1.36 inches. 



Mexico temperata (Saussure). 



OPOHIALiA, Erichs. 



O. Taripes, Serv., Hist. Orthop., 588. 



Female. — Head greenish ; the lateral carinse yellow ; frontal cone long 

 and pointed. Prothorax shagreened, greenish, the side having a yellow border 

 slightly prominent ; the carinse slightly distinct ; the four transverse impres- 

 sions profound and quite apparent. Prosternal point large, yellowish. Elytra 

 opaque, of a uniform green ; nervules prominent. Wings transparent, cloudy 

 at the anterior margin and at the apex, as long as the elytra. Abdomen of a 

 shining yellowish-green. The four antei'ior legs greenish ; the femora yel- 

 lowii^h beneath ; the posterior femora green, with the inner face and lower 

 edge yellowish. The posterior tibiae red at the base and tip, and greenish in 



