432 MYRMELEONCTES. 



wing where it again slightly widens towards the stigma : hind- 

 wings shorter and narrower than the fore-wings, widest at a little 

 before half the length. Length of the body 14 lines; of the 

 wings 36 lines. 



a. China. Presented by G. T. Laye, Esq. 



45. ASCALAPHUS TRUX. 



Fuscus, nigro-hirtus ; caput postice testaceum ; antennae testacea, 

 basi intus denticulatce, apice obscuriores, clava nigra ; thorax 

 testaceo varius ; pectus fasciis quatuor obliquis lateralibus 

 flavis ; abdomen nigro testaceoque varium ; pedes picei, femo- 

 ribus basi testaceis, tibiis posticis testaceo maculatis, tarsis 

 nigris ; alee longce, limpida. 



Group Acheron, Lefebvre. 



Brown, clothed with blackish hairs: head testaceous brown, 

 testaceous behind, thickly clothed about the base of the antennae 

 with black hairs: antennae testaceous, slender, shorter than the 

 wings, darker towards the club which is black; joints armed on the 

 inner side with teeth which successively decrease in size from the 

 base and disappear at one-third of the length: segments of the 

 thorax adorned with testaceous streaks and borders: metathorax 

 mostly testaceous ; underside with two bright yellow oblique bands 

 on each side : abdomen nearly as long as the wings, testaceous with 

 black marks towards the base, black with testaceous marks towards 

 the tip : legs pitchy ; femora testaceous at the base ; a testaceous 

 spot on each hind-tibia ; tarsi black : wings limpid, long ; stigma 

 pale brown, comprising five or six veins; subcostal region very 

 slightly tinged with brown, very narrow and of equal breadth from 

 the base to the stigma : hind-wings shorter but not narrower than 

 the fore-wings ; hind border slightly convex towards the base. 

 Length of the body 20 lines ; of the wings 36 lines. 



a. ? 



46. ASCALAPHUS LUCTIFER. 



Fuscus, fusco-hirtus ; caput flavwn cano-hirtum, vertice piceo ; 

 antennae nigra, gracillima, clava latissima; thorax flavo bi- 

 vittatus, subtus cano-hirtus ; abdomen testaceum, lateribus 

 nigricantibus ; pedes testacei, tarsis nigris ; alee limpidce, sat 

 longce, stigmate fusco, anticce margine poslico basi excavato, 

 posticce fusco bistrigata. 



