324 Orthorrhapha brachycera. 



of about three small hairs in front and four longer bristles behind, 

 increasing in length backwards; some of the short hairs on the front 

 part of thorax are yellowish. Scutellum with four bristles. Pleura 

 greenish or æneous, a little greyish pruinose; propleura with two 

 small, yellowish prothoracic bristles. Abdomen green or somewhat 

 æneous, almost not pruinose, clothed with short, yellow hairs, very 

 slightly longer at the sides of the first segment. Venter somewhat 

 greenish. Hypopygium narrow, but somewhat long, black or slightly 

 metallic; ventral lobes and outer lamellæ of about the same length, 

 brownish. Legs with the coxæ black or blackish, femora black, the 

 apex, tibiæ and the four first tarsal joints yellow, the very apex of 

 the tibiæ and the last tarsal joint brown or blackish ; the apex of the 

 tarsal joints may also be dark, and the tarsi and tibiæ are sometimes 

 more dark; hind metatarsus a little more than half as long as the 

 second joint, Avithout excision. The legs have short, chiefly pale hairs; 

 the hairs on the anterior coxæ and the bristle on the hind coxæ 



Fig. 100. Wing of M. pallipes c? (after a dried specimen, the wing not quite level, 

 and hence the postical cross-vein not seen in full length). 



yellowish or the latter darker; the hairs below the femora, especially 

 the posterior femora, somewhat bristly, yellow; middle tibiæ with 

 one or a pair of bristles near the base. Wings slightly yellowish 

 tinged; veins brown, last part of the discai vein somewhat curved, 

 strongly converging towards the cubital vein ; the last part of the 

 postical vein twice as long as the cross-vein or even more. Squamulæ 

 yellow, sometimes a little darker at the margin, with a yellow fringe. 

 Halteres yellow. 



Female. Quite similar to the male. 



Length 2—2,2 mm. 



This species shows some resemblance to apicalis, but it may be 

 known by the lighter, paler haired abdomen, the generally paler and 

 paler haired legs and the smaller size; also some of the short hairs 

 on the front part of thorax are, at all events generally, somewhat 



