126 Orthonhaplia brachycera. 



with two black marginal bristles. Pleura blackish, very slightly greyish, 

 the bristles on metapleura black. Abdomen black, somewhat shining, 

 clothed with short, black hairs, which are brownish at the sides; the 

 hairs are somewhat longer on the sides of the first segments. Exterior 

 genitalia not large, the lower lamellæ directed backwards or generally 

 more or less iipwards, the upper hinder angle a little hook-formed 

 and pointed and with some forwards curved hairs ; the upper lamellæ 

 are hidden between the lower, so that it appears as if only one pair 

 of lamellæ is present. Penis is curved simply upwards and thin to- 

 wards the apex; the eighth ventral segment is somewhat arched and 

 protruding. Legs black or brownish black; coxæ very slightly pruinose; 

 hind metatarsi somewhat thickened. Front femora with some fine 

 hairs below; middle femora with two somewhat dense rows of bristly 

 hairs, one ventral, the other postero-ventral ; the hairs are somewhat 

 short, only the three or four basal ones long; hind femora short- 

 haired above and on the posterior side, and with rows of bristly hairs 

 on the ventral and anterior side; front tibiæ with short hairs above 

 and a dense, erect pubescence below ; middle tibiæ short-haired below, 

 the hairs strongest in the basal half, and on the dorsal side with 

 some long bristles, generally two or three on the basal half and one 

 at the apex, but this latter may be short or even wanting; besides 

 there is a dense, erect pubescence on the anterior side; hind tibiæ 

 with longish hairs below and above, and with some bristles on the 

 latter side; the hind tarsi slightly spinulous beneath, the metatarsus 

 with short hairs and above with some bristles; the tarsal joints with 

 very short bristles at the apex; the short, erect pubescence on the 

 anterior tibiæ is continued out on the tarsi. All hairs and bristles 



^g^M 



Fig. 41. Wing of E. aestiva. 



black or blackish, the dense, erect pubescence on the anterior legs 

 pale. Wings hyaline; subcostal, radial and cubital veins dark brown, 

 the other veins pale brownish, the anal vein abbreviated somewhat 

 before the margin. Stigma faint, yellowish. Halteres black. 



Female. Eyes separated, frons blackish. Thorax and abdomen 

 shorter haired than in the male. Posterior legs somewhat compressed, 



