Dolichopodidae. 261 



Male. Vertex and frons æneous; eyes whitish-hairy. Epistoma 

 very narrow, silvery white. Palpi small, greyish. Occiput green, a 

 little greyish pruinose; postocular hairs black above, white below. 

 Antennæ black, not long, shorter than the head, the third joint longer 

 than the two basal; arista longer than the antennæ. Thorax bright 

 green, not pruinose, shining. Pleura green, greyish pruinose; pro- 

 pleural hairs pale. Abdomen green or more or less coppery, especi- 

 ally towards the end, the sixth segment steel-blue or somewhat pur- 

 plish; abdomen haired w'iih short, black hairs, longer and pale at the 

 sides of the three flrst segments; there are short hindmarginal bristles, 

 longer on the first segment. Venter grey, with white hairs, which 

 are long towards the base. Hypopygium black or blackish green; the 

 ventral lobes somewhat long, blackish brown, a little dilated and 

 hoUowed and thus somewhat spoon-like; outer lamellæ rather long, 

 simple, they are narrow, attenuated into a long apex, of dirtily yel- 

 lowish or brownish colour, longish haired. Legs with the coxæ grey, 

 femora yellow, hind femora black at the apex, especially above; tibiæ 

 yellow, hind tibiæ black towards the apex; anterior tarsi blackish 

 or brown about from the apex of metatarsus, hind tarsi black. Middle 

 coxæ with a strong, hind coxæ with a small, black apical spine; front 

 metatarsus as long as the two next joints, thickened below towards 

 the apex; middle metatarsus likewise about as long as the next two 

 joints; hind metatarsus shorter than the foUowing joint. The legs 

 have short, black hairs, the coxæ are whitish-haired, front coxæ with 

 a few black bristles at the apex; front femora with short, middle 

 femora with somewhat long, white hairs below, otherwise the femora 

 only short-haired ; they have all some bristles at the apex on both sides; 

 all tibiæ with long bristles in two dorsal rows, the middle tibiæ 

 besides with a ventral pair of bristles below the middle; middle 

 metatarsi a little spinulous beneath. Wings somewhat brownish; veins 

 black, discai vein with a sjight and even curve. Squamulæ yellow, 

 with a whitish yellow fringe. Halteres yellow. 



Female. Similar to the male. Epistoma broad, this and the 

 large palpi brownish grey. Antennæ shorter than in the male, third 

 joint about as long as the two basal, somewhat longer than broad ; 

 arista not twice as long as the antennæ. Legs about as in the male, 

 hind femora not or slightly dark at the apex; anterior metatarsi 

 relatively longer, about of the length of the three next joints; there 

 are no coxal spines and the front metatarsi are simple. Front and 

 middle coxæ with some black, bristly hairs at the apex, Femora 

 quite short-haired. Wings more brownish than in the male. 



Length 5,8 — 7 mm. 



