86 Orthorrhapha brachycera. 



and black haired. Frons and vertex yellowish, the hairs black J3ut 

 some yellow hairs in front. Occiput yellow pruinose, occipito-orbital 

 bristles black above, yellow downwards ; the hairs on the lower part 

 and on the jowls white. Antennæ black, the first joint with short, 

 yellow hairs above, long, black hairs below. Thorax yellowish brown, 

 the middle stripe dark brown, broad in front, narrow behind, with a 

 somewhat broad middle line in front; the side stripes light brown, 

 somewhat indistinct and between the middle and side stripes a like- 

 wise indistinct line. The disc with short, erect, black hairs, on the 

 hind part the hairs are longer and yellow; the bristles black. Scutellum 

 with longish, yellow hairs. Pleura greyish brown with whitish hairs; 

 the bristles on meta- and hypopleura yellow. Abdomen yellowish 

 brown; with the light from behind it is dark brown with the hind 

 margins of the segments greyish and with the hind corners of the 

 segments and lateral margins similarly colom-ed, moreover a blackish 

 middle line is seen. Venter yellowish brown. Abdomen clothed with 

 short, yellowish, in the middle line black, hairs, the last segments are 

 more or less black haired; at the hind margin of the segments there 

 are moderately long, somewhat weak bristles which are longest to- 

 wards the sides ; they are generally black in the middle, yellow towards 

 the sides. Venter with sparse, whitish yellow, bristly hairs, inter- 

 mingled with some few black ones, besides, the venter has short hairs 

 which are yellow in front, black towards the apex. Genitalia small, 

 ferrugineous, the arms of the upper forceps curved down towards the 

 apex and somewhat pointed, without excision; the ventral lamella 

 brownish pruinose. The genitalia with yellow hairs. Legs with the 

 coxæ greyish pruinose, with long, whitish hairs; the anterior femora 

 black on the front side, ferrugineous on the posterior side, hind femora 

 black with the postero-dorsal side ferrugineous and all femora with 

 ferrugineous tips; tibiæ ferrugineous with a ring in the middle, and 

 the apex black, the ring often not going quite round the tibiæ; on 

 the hind tibiæ the ring and the black apex coherent on the anterior 

 side; tarsi ferrugineous with the apex of the joints black, the last 

 joints quite black. The hairs on the legs yellowish grey, giving the 

 legs a somewhat greyish appearance; long and thin, yellow hairs are 

 found on the ventral side of the anterior femora, and here they are 

 especially long, on the posterior side of the hind femora and on the 

 ventral side of the anterior tibiæ; on the front tibiæ some of them 

 are black; there are no strong bristles on the ventral side of the front 

 femora; spine-like bristles are found on the anterior side of the middle 

 femora, on the ventral and anterior sides of the hind femora, on the 

 dorsal and posterior sides of the front tibiæ and on the various sides 



