80 Orthorrhapha brachycera. 



II, 562, 52, et 1859. XIII, 5056, 52. — 1862. Schin. F. A. I, 215. — 

 1903. Kat. palåarkt. Dipt. II, 296. 



Male. Vertex and frons green. Epistoma moderately narrow, 

 light brownish yellow. Palpi blackish. Antennæ black, short, shorter 

 than the head, third joint short triangular. Thorax varying from 

 green to bronze or copper-coloured, slightly greyish brown pruinose, 

 shining. Scutellum distinctly yellow-haired; postscutellum greenish, 

 grey pruinose. Pleura greenish or bronze-coloured, finely grey pruinose; 

 propleura with fine, pale hairs and a black prothoracic bristle. Ab- 

 domen green, with more or less predominant bronze or copper- 

 coloured reflexes; it is finely whitish pruinose, and there are distinct, 

 dark copper-coloured hind margins to the segments; abdomen is 

 clothed with short, black hairs, and has somewhat short hindmarginal 

 bristles, which are not longer on the first segment; they increase 

 slightly in length behind. Venter greyish, slightly pale-haired at the 

 base. Hypopygium somewhat long, black, a little greenish on the 

 right side, grey pruinose; eighth segment with black hairs; there 

 are slightly projecting, rounded posterior ventral lobes; the inner 

 lamellæ somewhat short, curved downwards, the median thin, the 

 lateral dilated; the outer lamellæ not large, roundish rectangular, 

 blackish, sometimes paler to dirty whitish, and then with a broad, 

 blackish margin; the apical margin has some teeth with curved, black 

 hairs, the ventral margin is almost not serrated, and has densely 

 placed, yellow hairs, which are curved strongly inwards. Legs black, 

 coxæ grey, tibiæ yellowish, hind tibiæ black towards the apex; anterior 

 metatarsi dark yellowish, except the apex. The legs have short, 

 black hairs, hind femora with longer hairs above at the basal part 

 and with a t'ringe of Jongish, fine, black cilia below; middle femora 

 with two, hind femora with one, sometimes, but rarely, two pre- 

 apical bristles ; front tibiæ with two or three antero-dorsal, one dorsal, 

 and two or three posterior bristles; middle tibiæ with about four 

 antero-dorsal, two postero-dorsal, and one ventral bristle, the latter 

 below the middle; hind tibiæ with a dorsal and antero-dorsal row, 

 and about two ventral bristles, besides with a ventral row of smaller 

 bristles, which however generally increase evenly in length towards 

 the long ventral bristles; hind metatarsi with two longer and a smaller 

 bristle above, and some on the anterior side. Wings a little narrow, 

 slightly fumigated, most towards the anterior margin; veins blackish; 

 discai vein with a small, obtuse bend; axillary lobe large, anal vein 

 directed chiefly downwards. Squamulæ yellow, with a black fringe. 

 Halteres pale yellow. 



