Dolichopodidae. 355 



and the middle stripes, behind the transverse furrow, there is a 

 third stripe. Scutellum a little shining, with six bristles. Pleura 

 greenish or æneous, greyish pruinose; propleura with longish, white 

 hairs. Abdomen green, greyish white pruinose, duU; the hind margin 



Fig. 108. Antenna of L. virens d- X 65. 



of the second, third and fourth segments and the front margin of the 

 second segment black or purphsh black; on the fourth segment the 

 purphsh hind margin is often more or less replaced by a shining 

 green or coppery colour; the fifth segment shining, the sixth often a 

 little æneous or bluish and slightly pruinose; abdomen clothed with 

 whitish hairs, which are rather long at the sides; on the first segment 

 there are long hindmarginal bristles, which are black above, white at 

 the sides; the following segments have short and not very distinct 

 hindmarginal bristles, which are also black above, but on the sides 

 not discernible between the long hairs. Venter green, greyish pruinose, 

 with long, white hairs. The hypopygium is green or æneous, a little 

 pruinose; the outer lamellæ greyish black, the filaments blackish, with 

 long, pale hairs; the eighth segment has longish, pale hairs. Legs 

 green or æneous, coxæ grey pruinose; also the femora somewhat 

 pruinose; tarsi black; the front metatarsi a little dilated at the apex 

 and the second joint quite short, a little compressed and dilated, with 

 short, erect hairs below. The legs have short, black hairs, the coxæ 

 somewhat long, white hairs; the front coxæ with black bristles at the 

 apex, middle coxæ with a bristle anteriorly near the outer margin, 

 hind coxæ with one on the outside; anterior femora with short, pale 

 hairs below, on the middle femora they are longer about in the middle 

 and followed apically by some black hairs; hind femora with some 

 pale hairs at the base, longest above; the posterior femora with a 

 preapical bristle ; the tibiæ have brislles on the various sides, they are 

 not long nor numerous; the front tarsi have a very short, whitish 

 pubescence below on the four last joints. Wings a little yellowish 

 tinged, with the apical part of the subcostal and cubital cells brown, 

 forming a large, brown spot; in the first posterior cell there is a 

 brov^n patch above the end of the discai cell, continued as a line 



23* 



