HTBOS. 341 



longer bristly hairs in the usual situations. Scutellum con- 

 -colorous, with two long bristles and some short stiff hairs ; 

 pleurae and metanotum moderately dark grey. Abdomen blackish, 

 with a moderate amount of pale pubescence, venter similar. Legs 

 •wholly black ; anterior tibia? with long stiff bristly hairs ; hind 

 femora with a row of small teeth below, each bearing a strong- 

 bristle. Wings nearly clear ; stigma distinct but not sharply 

 defined, brown, filling nearly the apical half of the marginal cell 

 .and extending to the costa ; halteres bright yellow. 



Length, 5^ mm. 



Described from a single $ in the Indian Museum from 

 Kurseong, 26. vi. 1910 (Annandcde). 



.273. Hybos auripes, Brun. 



Hybos auripes, Brunetti, Bee. Ind. Mas. ix, p. 14 (1913). 



S 2 • Head black ; proboscis not much longer than head, 

 tipped with brownish yellow ; palpi rather long, pubescent. 

 Thorax blackish grey, when seen from certain directions, with 

 =a brownish-grey dust; sides dark grey. (Bristles on thorax 

 broken off, but from those remaining apparently consistent with 

 the arrangement in the other species herein described.) Abdomen 

 blackish grey, with^a brownish cinereous dust; a few pale hairs 

 .at the sides ; genital organs in J large, robust, conspicuous, 

 consisting of an upper and lower thick cup-shaped piece, the 

 former ending in two narrow blunted hairy points, the latter 

 ending in two short obtuse bare points, the two pieces together 

 enclosing a large ventral chamber in which are some smaller 

 intermediate processes of a yellow colour, the whole of the 

 genitalia, otherwise, being black, with stiff black hairs on the 

 ^outside. In the 5 the organs are small, pale, and inconspicuous. 

 Legs black, pubescent ; hind femora with a row of about twenty 

 small teeth on underside, each bearing a short spine, in addition, 

 .a row of long stiff bristles ; anterior tibiae with at least two long 

 bristles on inner and two on outer side of each ; tarsi black, with 

 pale hairs on underside, those on underside of hind pair golden 

 yellow, and a little golden-yellow hair at the tips of the hind 

 tibiae on the underside. Wings pale brownish grey ; stigma oval, 

 brown, not very conspicuous ; halteres yellow. 



Length, o mm. 



Described from a type S from the Botanical Gardens, Dar- 

 jiling, 12. viii. 1909 (Paiva), and a type $ from Kurseong, 

 7. ix. 1909 (Annandale), both specimens in the Indian Museum. 



.274. Hybos nitens, Brun. 



Hybos nitens, Brunetti, Rec. Ind. Mas. ix, p. 13 (1913). 



5 . This species has considerable general resemblance to both 

 brunnipes, Brun., and fuseipennis, Brun. The head is dull black, 

 including the very short proboscis, the palpi, and the antennae. 

 .Body shining black, with soft, rather numerous pale hairs. Legs 

 very dark brown, nearly black, with distinct though rather short 



