192 Mr. W. L. Distant on Ilomoptera. 



of each ocellus ; pronotum foveately impressed on each side 

 of anterior area, the lateral margins moderately sharply 

 reflexed ; face strongly compressed, posteriorly pointed, 

 thence obliquely straight to clypeus, centrally longitudinally 

 ridged ; posterior tibiae with a strong sj)ine a little before 

 apex; tegmina three times as long as broad. 



Long., excl. tegm., 9 mm,; exp. tegm. 30 mm. 



Hab. Peru (Coll. Dist.). 



Ischnorhina grandis. 



Sphenorhina qrandis, Dist. Tr. Ent. Soc. Lond. 1878, p. 179; Waterh. 



Aid Identi'f. Ins. ii. pi. 148. fi?. o (1884). 

 Tomaspis laf/ueus, Bredd. Soc. entomol. xix. p. 58 (1004). 

 Sphenorhina laqueus, Bredd. Cotype purchased by Brit. Mus. 



Hab. Colombia; Ecuador. 



Ischnorhina bogotana. 



Sp/ienorhina hogotana, Dist. Trans. Ent. Soc. Lond. 1878, p. 179; 

 Waterh. Aid Identif. Ins. ii. pi. 152. fig. 2 (1884J. 



Hab. Bogota. 



Ischnorhina flammans. 



Sphenorhina fammnns, "Walk. List Horn., Suppl. p. 17ft (18.58). 

 Sphenorhina acuta, Stal, Kio Jan. Hem. ii. p. 14 (1858) ; id. Ofv. 

 Vet.-Ak. Fcirh. 1862, p. 493. 



Hab. Brazil. 



Ischnorhina rufivaria. 

 Sphenorhina rufivaria, Walk. List Horn. iii. p. G86 (1851). 

 Hab. Brazil. 



Ischnorhina xanthomela. 



Sphenorhina xanthoinela, Walk. List Horn., Suppl. p. 180 (1858). 

 Hah. Amazons. 



Genus Tomaspis. 



Tomaspis, Amy. & Serv. Hist. H^m. p. 560 (1843). Type, T.fvrcata, 



Germ. 

 J^lonecphora, Amy. & Serv. loc. eit. p. 562. Type, M. cingulata, Le P. 



& Serv. 

 Sphenorhina, Amy. & Serv. loc. cit, Type, 5. lineolatus, Amy. & Serv. 



I have previously regarded the above divisions of Amyot 

 and Serville as generically distinct and have acted accordingly, 

 for if we compare the types (as above) there is every reason 

 to do so. Not only is there then found a distinct structural 



