168 CEBAMBYCIDjE. 



Genus IBIDIONIDUM. 

 Ibidionidum, Gahan, Ann. Mus. Civ. Genova, xxxiv, p. 14 (1894). 



Type, /. corbetti, Gahan. 



Range. That of the type species. 



Head strongly exserted ; front obliquely sloped, separated from 

 the clypeus by a transverse groove; eyes prominent, coarsely 

 facetted, emarginate. Antenna? a little longer than the body in 

 both sexes; first joint curved, gradually thickened towards the 

 apex ; third a little more than twice as Jong as the second and 

 slightly shorter than the fourth ; fifth to tenth subequal, each 

 much longer than the fourth. Prothorax elongate subcylindrical, 

 with a conical tubercle at the middle of each side : constricted 

 at the base, slightly also in front of the lateral tubercles. 

 Elytra a little more than twice as long as the prothorax, gradually 

 narrowed posteriorly and rounded at the apex. Legs moderately 

 long ; the femora somewhat abruptly clavate, pedunculate at the 

 base. Abdomen much narrowed towards the apex ; first segment 

 in the d" as long as the next four united ; first segment in the $ 

 a little longer than the second, and the second as long as the 

 succeeding segments united. 



182. Ibidionidum corbetti, Gahan, Ann. Mus. Civ. Genova, xxxiv 

 p. 15, pi. 1, fig. 3 (1894). 



Testaceous red, nitid, with the elytra of a paler, somewhat 

 yellowish colour ; the head, prothorax, 

 legs and antennas sparsely furnished 

 with rather long erect hairs. Prothorax 

 twice as long as its width across the 

 base ; slightly raised and curved in front, 

 feebly bi-nodose on the disc. Elytra 

 distinctly and not very densely punctate, 

 the punctures setigerous and arranged 

 in rows, which extend from the base 

 almost to the apex. Intercoxal process 

 Fig. m.-Ibidionidum of prosternum extending some distance 

 cm-betti, Gahan. x ?. beyond the coxae behind and dilated so 

 as to meet the epimera, which are 



correspondingly broad behind the coxa?. First joint of hind tarsi 

 nearly as long as the second and third united. The joints of the 

 antenna; from the fourth to the ninth are slightly angulated at 

 the apex on the anterior side. 

 Length 7-10 mm. 

 Hob. Burma: Paungde (Corbett), Tenang-gyaung (Fea). 



