Dolichopodidae. 247 



Male. Vertex and frons greenish white ; eyes with pale brownish 

 hairs. Epistoma narrow, black when seen from in front, but distinctly 

 silver-white when seen from above. Palpi small, black. Occiput greenish, 

 greyish pruinose; postocalar bristles black, brownish quite below. 

 Antennæ elongated, considerably longer than the head, third joint about 

 as long as the two basal; arista shorter than the antennæ. Thorax 

 metallic green, slightly whitish or bluish white pruinose, most densely 

 at the humeri; acrostichal bristles long; scutellum not hairy above. 

 Pieura greenish, dark grey pruinose; the prothoracic hairs fine, brown. 

 Abdomen dark green or bluish green, from the base of the second 

 segment silvery; it is clothed with short, black hairs, longer at the 

 sides, especially on the second segment, and it has hindmarginal 

 bristles, long on the first segment ; the eighth segment with some long 

 bristles. Venter greyish black, with longish, black hairs and hind- 

 marginal bristles; at the base of the second segment the hairs are 

 long, and at the base of the venter there is a single tuft of long, 

 black hairs. The outer lamellæ of the hypopygium somewhat long, 

 blackish; the ventral lobes somewhat spoon-like dilated at the apex. 

 Legs with the coxæ greyish black; femora black or brownish black, 

 anterior femora with the apex yellow ; the anterior tibiæ yellow, hind 

 tibiæ black; anterior tarsi with the metatarsus yellow, the apex and 

 the foUowing joints blackish or brownish, hind tarsi black; the hind 

 metatarsus distinctly longer than the second joint. The legs have 

 short, black hairs, hind coxæ with about four bristles on the outside; 

 the femora haired as usual, hind femora quite short-haired above, but 

 with the bristly hairs below on the anterior side rather long; front 

 tibiæ with some bristles above; middle tibiæ with two dorsal rows, 

 and a few, small bristles in two ventral rows; hind tibiæ with two 

 dorsal rows, and besides with somewhat dense, bristly hairs above, and 

 a short, fine, but dense ciliation below; front metatarsi with short, 

 bristly hairs below, and the hind metatarsi a little spinulous below. 

 Wings brown, a little more towards the anterior margin ; veins brownish 

 black, the discai vein with a somewhat large bend, placed nearer the 

 cross-vein than the apex; the subcostal vein somewhat short and 

 terminating somewhat before the middle. Squamulæ quite blackish 

 brown or with a broad margin of this colour, and with a black 

 fringe. Balteres yellow. 



Female. Epistoma broad, grey. Palpi large, grey. Postocular 

 bristles yellowish below, Antennæ shorter than in the male, shorter 

 than the head, the third joint broader than long; arista much longer 

 than the antennæ. Abdomen dark metallic green, whitish pruinose at 

 the sides. Front coxæ generally more or less yellow at the apex 



