98 Orthorrhapha brachycera. 



along the ventral and apical edge; the end has long teeth with in- 

 wards curved, blackish hairs; the ventral margin is slightly serrated, 

 with shorter, likewise curved hairs, and on the inner side are inwards 

 directed hairs. Legs somewhat long, yellow ; the front coxæ at the 

 base and the posterior coxæ grey; the middle tarsi with apex of 

 rnetatarsus and the four last joints black; hind tibiæ black just at 

 the apex and hind tarsi black; front tarsi long, but not twice as long 

 as tibia, the fourth joint about half as long as the third, the last joint 

 compressed, dilated, triangular and larger than in discifer, it is black, 

 and hairy at the margin. The legs have short, black hairs; posterior 

 femora with one preapical bristle; front tibiæ with bristles above and 

 one or two on the postero-ventral side; middle tibiæ with about five 

 antero-dorsal, two postero-dorsal, two antero-ventral or the upper 

 ventral, and one postero-ventral bristle; hind tibiæ with two dorsal 



Fig. 24. Wing of D. confusus d". 



rows of bristles, and a ventral row of rather long bristles, the lower- 

 most longest; middle metatarsi with one bristle above; hind metatarsi 

 with three bristles above, some anterior, and small bristles below. 

 Wings a little broad, slightly tinged; veins black or brownish black; 

 discai vein with a large bend, approaching to be rectangular and the 

 lower angle distinctly angular, often with a small veinlet, the upper 

 angle more rounded; axillary lobe small, anal vein stretching some- 

 what long forwards. Squamulæ yellow, with a black fringe. Balteres 

 yellow. 



Female. Epistoma broader than in the male, but not specially 

 broad. Antennæ -considerably smaller and shorter and the third joint 

 shorter than in the male. Front tarsi simple. Wings not so broad, 

 darker, brownish tinged. 



Length 4 — 5,7 mm. 



D. confusus is not rare in Denmark; Tisvilde, Rørvig, Vedbæk; 

 in Jutland at Funder near Silkeborg, Blaavand, Bovbjerg, Sæby, 

 Frederikshavn and Hulsig and Jerup north of Frederikshavn, and on 



