384 



Orthorrhapha brachycera. 



beyond it; hind femora blackish on the apical part, especially above; 



hind tibiæ more or less darkened at the apex; tarsi blackish, with 

 the basal part of metatarsus yellow, only slightly on the 

 hind tarsi; front tarsi as long as or a little longer than 

 tibiæ. The legs with short, black hairs, coxæ pale- 

 haired, the hairs on the front coxæ long; the posterior 

 coxæ each with a pale bristle; femora only with short 

 hairs, slightly longer on the antero-ventral side of the 

 front femora; posterior femora with a preapical bristle; 

 front tibiæ short ciliated above, and with a very small 

 postero-dorsal bristle near the base; middle tibiæ with 

 three antero-dorsal, one postero-dorsal and one ventral 

 bristle; hind tibiæ with some bristles above in two rows; 

 the hind tarsi have the third and to some degree the fourth 

 joint compressed, and the third somewhat excised on the 

 posterior side and shining; on this excised part and on 

 the basal part of the fom'th joint are somewhat long, 

 bristly hairs, and on the not compressed base of the 

 third joint are two, sometimes three, long hairs; these 

 latter are sometimes lying down between the other 

 hairs, and then slightly visible. Wings somewhat brownish 

 tinged; veins blackish. Squamulæ pale yellow, with a 

 yellow fringe. Balteres yellow. 



Female. Epistoma broader than in the male, not 

 narrow downwards. Antennæ with the third joint shorter, 



longer than broad, but pointed. Legs with the hind tarsi not bearded; 



the bristle on the hind coxæ often black. ^ 



Fig. 119. 



S. annidipes 



d", hind 

 tarsus. X 55. 



Fig. 120. Wing of S. annulipes d". 



Length 2,5— 2,8 mm. 



S. an7iulipes is common in Denmark; Lersøen, Amager, Dyrehaven, 

 Lyngby Mose, Ørholm, Rørvig, Boserup near Roskilde; on Langeland 



^ Kowarz says (1. c.) that the bristle is l)lack, but it may also be yellow. 



