460 E. Brunetti : Oriental BombylidcB. [Vol.. II, 



4. polistoides, Westw., 1876, Tr. Ent. So. lyond., 575 

 lyOC. — Siam. 



5. tipuloides, Westw., 1876, loc. cit., 576. 

 Loc— Sulu Isle (Malay Arch.). 



6. blumei, Voll., Versl. en meded. K. acad. wet., xv, 8, fig. 4. 

 IvOC. — Java. 



7. tessellatus, Voll., loc. cit., 9. 

 I/OC. — Sumatra. 



8. nigricaudus, mihi, sp. nov., & (?). 



{Id. id., Bigot, nom. nud.) 

 Type in Indian Museum. 

 lyOC, — Sikhim, Soondrijal (Nepal), Mussoorie (in September). 



Descriptions of New Species, and Redescriptions of 

 previousivy known ones. 



Hyperalonia aurantiaca, Guerin. 



Redescriptlon. 



Bengal. Long. 13 mm. 



Head. — Frons moderately widened, a little more than ^ the 

 width of the head, black. Face pale, the face and frons covered 

 with thick golden pubescence, thinning on the frons towards the 

 vertex. On the frons the pubescence is mixed with longer erect 

 black hairs. On the face, pubescence extends to midway between 

 antennae and insertion of proboscis. Back of head thickened, 

 black, sparsely yellow, pubescent, except at extreme lower part, 

 which is bare, greyish black. Proboscis equal in length to height 

 of head, fairly stout, dark brown, with a few short whitish hairs. 

 Palpi rather more than |- of the length of proboscis, greyish brown, 

 hairy, the hairs whitish. First antennal joint very nearly twice 

 as long as 2nd, which is slightly flattened and rounded, both clothed 

 with stiff black bristly hairs, and both grey-brown in ground colour ; 

 3rd joint blackish grey, bare, equal in length to ist and 2nd together 

 (exclusive of the style, which is a little more than | the length 

 of the 3rd). 



Thorax. — Ground colour of dorsum black, of sides ash-grey. 

 Whole thorax covered with bright yellow hair, which is thickest 

 and deepest on the anterior border and at the sides of the dorsum 

 and behind the wings. The hair just below the wings is paler 

 yellow, becoming whitish on under side ; the hair on the dorsum 

 being short and sparse. Along the sides of the dorsum and behind 

 the wings are a few isolated strong black bristles. Scutellum 



