Dolichopodidae. 105 



golden or coppery reflexes, it is somewhat whitish pruinose downwards, 

 and there are narrow, dark hind margins to tiie segments; it is clothed 

 with short, black tiairs, and has hindmarginal bristles, a little longer 

 on the first segment. Venter greyish green, very slightly pale-haired, 

 almost bare. Hypopygium æneous black, greyish pruinose; eighth 

 segment with black hairs; there are slightly projecting posterior ven- 

 tral lobes with a small point at the upper apical coiner; the inner 

 lamellæ curved downwards, the median thin and short, the lateral 

 longer, dilated, with a dilatation at the apex and a pair of small 

 spines at the upper margin; the outer lamellæ are ovate, whitish with 

 a somewhat narrow, blackish margin; at the end there are some teeth 

 with black, curved hairs; the ventral margin is serrated, with a littl 

 shorter hairs, and on the inner side inwards curved, fine hairs. Legs 

 yellow, posterior coxæ grey, a little yellowish at the apex; the three 

 last joints of the front tarsi black ; the middle tarsi with the two first 

 joints long and thin, the first almost twice as long as the second, the 

 third and fourth compressed, dilated, black, feathery haired at the 

 margin, longest on the dorsal side; the fifth joint a little compressed, 

 silver-white with black hairs; hind tarsi black, metatarsus except the 

 apex yellow, often the second joint brown. The legs have short, 

 black hairs, hind femora with longer hairs above in the basal half, 

 and with shortish, pale brown hairs below; middle femora with one, 

 hind femora with three (rarely two or four) preapical bristles; front 

 tibiæ with bristles above, and generally two posterior; middle tibiæ 

 with about four antero-dorsal, two postero-dorsal bristles, and one 

 ventral below the middle; hind tibiæ with two dorsal rows, a ventral 

 bristle towards the apex, and a ventral row of small bristles; hind 

 metatarsi with two dorsal, one or two anterior, and small ventral 

 bristles. Wings slightly yellowish; veins black; discai vein with a 

 small, obtuse and not at all angular bend; axillary lobe very large, 

 anal vein going chiefly downwards. Squamulæ yellow, with a black 

 fringe. Balteres yellow, 



Female. Epistoma broad, yellow or ochraceous, but less bright 

 than in the male. Antennæ shorter than in the male, third joint 

 short. Middle legs simple. Wings more tinged, axillary lobe smaller, 

 and the anal vein going more forwards. 



Length 4,5 to about 5,5 mm. 



The fuU-grown larva is 13 mm long; the pupa about 6 mm, it 

 has the sheaths of the legs reaching about to the end of abdomen. 



D.popularis is common in Denmark; Ordrup Mose, Ermelund, 

 Dyrehaven, Lyngby Mose, Fure Sø, Ruderhegn, Tryggerød, Frederiks- 

 sund, Faxe Ladeplads and Nyraad near Vordingborg; on Langeland 



