Dolichopodidae. 83 



bristles black. Antennæ black, scarcely as long as the head, the 

 third joint triangular. Thorax green, slightly pruinose, shining; scu- 

 tellum finely yellow-haired at the margin; postscutellum grev pruinose. 

 Pleiira green, finely greyish pruinose; propleura with fine, blackish or 

 brownish hairs and a black prothoracic bristle. Abdomen green, 

 finely whitish pruinose downwards, the hind margins of the segments 

 darkened, bronze-coloured. Abdomen clothed with short, black hairs, 

 and with somewhat long hindmarginal bristles, longest on the first 

 segment. Venter greyish, slightly pale-haired at the base. Hypo- 

 pygium black, greyish pruinose; the eighth segment with somewhat 

 long, black hairs; there are slightly projecting posterior ventral lobes, 

 ending with a little point with small spines; the inner lamellæ half 

 as long as the outer, curved downwards, the median thin, brownish 

 black, the lateral dilated, yellowish; the outer lamellæ not large, 

 roundish rectangular, whitish with a somewhat broad, blackish brown 

 margin; at the end there are longer teeth with curved hairs, the teeth 

 decreasing in length towards the ventral margin ; this latter is serrated 

 and with more straight hairs, and on the inner side with curved hairs. 

 Legs black; coxæ grey, on the anterior side whitish grey pruinose; 

 the knees and the apical point of the front tibiæ reddish or yellow; 

 the anterior metatarsi a little pale just at the base, on the middle tarsi 

 the pale colour sometimes more extended. The legs have short, black 

 hairs, hind femora with a little longer hairs above towards the base, 

 and with short hairs below; posterior femora with one preapical bristle; 

 front tibiæ with antero-dorsal, postero-dorsal and posterior bristles, about 

 three in each row or generally four in the two posterior rows, and besides 

 with a dorsal bristle below the middle; middle tibiæ with about five 

 antero-dorsal, two postero-dorsal, two dorsal bristles, and a ventral 

 bristle below the middle, but the number may vary; hind tibiæ with 

 a dorsal and an antero-dorsal row, one ventral bristle below the 

 middle, and a row of dense, short ventral bristles; hind metatarsi 

 with three bristles above, some on the anterior side, and smaller 

 bristles below. Wings somewhat blackened, especially at the anterior 

 margin towards the base, where the wing may be rather black ; veins 

 black, costa somewhat thick, and the anterior margin of the wing a 

 little curved; there is no costal swelling, but at the place where this 

 should be the costa is curved outwards; discai vein with a slight, 

 obtuse bend; axillary lobe well developed, anal vein directed some- 

 what downwards. Squamulæ yellow, with a black fringe, Halteres 

 yellow. 



Female. Epistoma broader than in the male, grey. Antennæ 

 somewhat shorter, third joint triangular, broader than long. 



