Dolichopodidae. 265 



into a long point and curved a little downwards; they are of yel- 

 lowish colour; the outer lamellæ very long, narrow, almost thread- 

 like; they are forked about in the middle, the dorsal branch is the 

 longest; the lamellæ are hairy at the margin, longest on the ventral 

 side, and each branch ends with some hairs; the colour is dirtily yel- 

 lowish or brownish. The front legs somewhat short, middle legs 

 rather slender, hind legs robust. The coxæ are grey, the anterior 

 femora whitish yellow, more or less black at the base, on the front 

 femora the dark colour stretching more or less towards the apex, on 

 the middle femora only present below; anterior tibiæ whitish yellow; 

 front tarsi with the apex of metatarsus and the four following joints 

 blackish, middle tarsi with only the two last joints black; hind legs 

 black with only the very base of the femora yellow, they have the 

 femora rather thick, especially towards the apex, tibiæ likewise 

 thickened and somewhat compressed, and also the tarsi somewhat 

 stout; the front tarsi short, shorter than the tibiæ, the metatarsus 

 thickened at the apex, longer than the four following, short joints; 

 middle tarsi as long as tibiæ, metatarsus as long as the two next 

 joints, the last two joints flat and dilated, forming an oval disc; hind 

 metatarsus about as long as the second joint. The legs have short, 

 black hairs; the front coxæ are densely white or yellow-haired, the 

 posterior coxæ have a dense tuft of black bristles at the apex; the 

 hind coxæ are partly pale-haired on the outside; front femora with 

 white hairs on the posterior side, middle femora, with some long. 



Fig. 82. Wing of P. crassipes d- 



white hairs below on the basal half; the tibiæ have two dorsal rows 

 of bristles, but they are not numerous, the middle tibiæ have a pair 

 of ventral bristles, and the hind tibiæ are short-ciliated above and 

 below; the middle metatarsus has short bristles below. Wings rather 

 broad in the middle, very slightly tinged; veins blackish brown; 

 cubital vein curved downwards at the end, the apex a little recurved; 

 discai vein with a not small curve, placed somewhat after the middle 



