Dolichopodidae. 



201 



reaches beyond the end of the hypopygium; the outer lamellæ are 

 narrow, whitish with tlie apex black; they are hairy at the margin, 

 and have some (2) variously formed teeth or spine-like prolongations 

 at the apex on the inside. Legs pale yellow, the middle coxæ may 

 have a small, greyish patch on the outside; tarsi not specially long, 

 front tarsi somevvhat longer than tibiæ, middle tarsi of about the 

 same length as tibiæ, and hind tarsi shorter with metatarsus not much 

 more than half as long as the second joint; the tarsi are brown or 

 blackish, the metatarsus yellow with the very apex blackish, the hind 

 metatarsus sometimes more brownish. The legs have short, black 

 hairs, the anterior coxæ pale-haired except for the apical bristles; the 

 posterior femora have one preapical bristle; front tibiæ with a couple 



Fig. 62. Wing of H. ohscurellus cf. 



of bristles above, none below; middle tibiæ with two dorsal rows of 

 bristles and a small ventral bristle below the middle; hind tibiæ like- 

 wise with two dorsal rows, and with a ventral row of small bristles. 

 Wings somewhat brownish; veins black or brownish black; discai vein 

 with a shallow curve, lying near the cross-vein. Squamulæ yellow, 

 with a fringe of blackish brown or brown, somewhat yellowish reflecting 

 hairs. Halteres yellow. 



Fig. 63. Antenna of H. ohscurellus 9, from the inside. X 60. 



Female. Epistonia broader than in the male, whitish grev. An- 

 tennæ considerably shorter than in the male, third joint short triangular, 

 not as long as broad; also the first joint of the arista shorter than 

 in the male. 



Length 3,5 — 4 mm. 



