54 



Orthorrhapha brachycera. 



and at each side a very small hair, Pleura slightly greenish, above 

 often more copper-coloured, finely grey pruinose; the anterior spiracle 

 yellowish; propleura with fine, pale hairs and a black prothoracic 

 bristle, Abdomen green, and often somewhat copper-coloured, finely 

 greyish pruinose, shining; it is clothed with short, black hairs; at the 

 hind margin of the segments are bristly hairs, longest on the first 

 segment. Venter greyish, with pale hairs. Hypopygium somewhat 

 large, the eighth segment greyish pruinose, with black hairs; the 

 hypopygium black, somewhat pruinose, with yellow posterior ventral 

 lobes, reaching a little beyond the end of the hypopygium. The inner 

 lamellæ about half as long as the outer, the median thin, the lateral 

 broad, flat, with some incisions and teeth at the end; the outer 

 lamellæ ovate, white, the margin in the apical half black, dentated 

 and provided with black, inwards curved hairs. Legs yellow, front 

 coxæ a little greyish at the base, posterior coxæ grey; tarsi brownish 

 black, except the base of the metatarsi. Anterior coxæ with black 

 bristles below on the anterior side, hind coxæ with a black bristle 

 on the outer side. The legs have short, blackish hairs; the middle 

 femora with one or two, the hind femora with three to five preapical 

 bristles on the anterior side; the front tibiæ with some bristles above 

 and one on the postero-ventral side above the middle; middle tibiæ 

 with four to five antero-, two postero-dorsal bristles, and one ventral 

 bristle below the middle; hind tibiæ with two rows of bristles above 

 and a row of fine bristles ventrally; all tibiæ besides with apical 



Fig. 15. Wing of H. latipennis d. 



bristles, and the front tibiæ with a somewhat long, thin apical hair 

 on the posterior side; hind metatarsi with bristles above (2) and on 

 the anterior side. Wings short and rather broad, with rounded apex; 

 they are hyaline; at the end of the short subcostal vein a very large, 

 black swelling; the discai vein with a strong, but obtuse bend. 

 Squamulæ yellow, with a black fringe, the innermost of the hairs 

 yellow. Halteres yellow. 



