Dolichopodidae. 77 



pruinose downwards, and with darkened hind margins to the seg- 

 ments. It is clothed with short, black hairs, and has somewhat long 

 hindmarginal bristles. Venter greyish, slightly pale-haired at the base. 

 Hypopygium black, greyish pruinose; eighth segment with longish, 

 black hairs; there are small posterior ventral lobes, projecting a little 

 backwards; the inner lamellæ about half as long as the outer, yel- 

 lowish, curved downwards, the median ending with an attenuated 

 part, the lateral dilated and with a little point at the apex; the outer 

 lamellæ are somewhat narrow, pointed towards the apex; they are 

 white, narrowly brownish seamed in the apical half, more broadly at 

 the apex; at the latter are a pair of longer projections with curved 

 hairs, the rest of the ventral margin is serrated, with shorter, some- 

 what strong, and not specialiy dense hairs. Legs with the femora 

 black or blackish, the apex of the front femora, about the apical 

 third of the middle femora, and the anterior tibiæ and tarsi yellowish, 

 the last joint of the front tarsi darkened; the middle tarsi somewhat 

 long and thin, longer than the tibiæ; the last joint dilated, flattened 

 and black, with a short fringe at each side, the apex and the pulvilli 

 white ; coxæ grey, front coxæ whitish grey pruinose, and white-haired. 

 The legs with short, black hairs, hind femora with a little longer 

 hair« above at the base, and with a fringe of fine, pale hairs below, 

 longest in the apical half; posterior femora with one preapical bristle; 

 front tibiæ with rows of bristles above and on the posterior side; 

 middle tibiæ with about five antero-dorsal and two dorsal bristles, 

 and with two antero-ventral, the upper weak, and one ventral bristle 

 below the middle; hind tibiæ with two dorsal rows, and with one 

 ventral bristle below the middle, besides with a row of fine bristles 

 below; hind metatarsi with about three bristles above and some on 

 the anterior side. Wings slightly brownish, especially towards the 

 anterior margin; veins blackish brown, costa with a very small swel- 

 ling; the bend of the discai vein small, and only the lower angle 

 slightly angular; axillary lobe rather well developed, anal vein stretching 

 somewhat forwards. Squamulæ whitish, with a blackish fringe, in 

 which are some shorter, pale hairs. Halteres yellow. 



Female. Epistoma broad, grey. Antennæ shorter than in the 

 male, about as long as the head, third joint short, triangularly ovate, 

 arista rather near the point. Anterior femora only yellowish at the 

 apex, and the anterior tarsi blackish, only metatarsus pale at the 

 base; middle tibiæ darkened, brown to blackish, middle tarsi simple; 

 front coxæ black haired; hind femora without fringe. Wings without 

 costal swelling. 



Length 4,2 — 4,6 mm. 



