gg Orthorrhapha brachycera. 



on each side. Jowls greyish in front, shining black behind. Palpi 

 black, with black hairs. Frons and vertex black, on the sides and 

 behind greyish pruinose, with black hairs. Occiput greyish pruinose, 

 occipito-orbital bristles black, the hairs below white. Antennæ black, 

 the first two joints with black hairs. Thorax grey, slightly brownish 

 in front, ash-grey behind; the stripes blackish, the middle stripe broad 

 in front, pointed posteriorly, divided by a fine line; the side stripes 

 somewhat abbreviated anteriorly, distinctly divided into three spots. 

 The disc with short and sparse, black hairs which are longer behind ; 

 scutellum white haired; the bristles on disc and scutellum black. 

 Pleura brownish to greyish pruinose, almost without longer hairs; the 

 bristles on meta- and hypopleura black, only some pale ones below. 

 Abdomen brownish, in front more grey and with indistinct greyish 

 front margins of the segments ; with the light from behind it is black, 

 slightly shining and with whitish grey hind margins of the segments. 

 Venter grey. Abdomen sparingly clothed with short hairs which are 

 whitish at the sides, black along the middle; at the sides of the first 

 and second segment there are longer hairs. Venter sparingly clothed 

 with long, pale hairs, being shorter towards the apex. Genitalia black, 

 the arms of the upper forceps with an excision above at the apex; 

 the hairs generally black at the base, pale at the apex; the ventral 

 lamella is pruinose like the ventral segments. Legs black, posterior 

 tibiæ ferrugineous with black tips, front tibiæ often ferrugineous at 

 the base; metatarsi ferrugineous, the other tarsal joints blackish with 

 the base ferrugineous; the posterior tibiæ sometimes blackish on the 

 front side. Goxæ greyish pruinose, with long whitish hairs. The short 

 hairs on the legs chiefly black, but somewhat varying and often more 

 or less pale on the femora. Long, thin hairs are found on the ventral 

 side of the front femora and tibiæ, they are black, only pale at the 

 base of the femora; also on the ventral side of the middle legs there 

 are some long hairs; some of the hairs are somewhat strong. Spine- 

 like bristles are found on the dorsal side of the front femora, on the 

 front side of the middle femora and on the ventral and front sides 

 of the hind femora, moreover a few dorsally at the apex of the 

 posterior femora; on the tibiæ they are longer and here found on 

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

 sides of the posterior tibiæ except on the posterior side of the hind 

 tibiæ; they are black with rare exceptions. The spine-like bristles on 

 the tarsi are black. Wings greyish fumigated, more hyaline at the 

 base; veins blackish brown. Halteres brownish yellow. 



Female, Quite agreeing with the male; the ovipositor black, shin- 

 ing, black haired; the hairs are long at the side margin and below. 



