96 Orthorrhapha brachycera. 



curved upwards and forwards, with a little dilatation at the apex; 

 the ventral lamella triangular, more or less hidden. Legs yellow, 

 tarsi brownish or blackish; trochanters and apex of femora with 

 black points. The legs short-haired, tibiæ with some bristles on the 

 dorsal side, femora with the ordinary bristles at the apex; the bristles 

 black, the short hairs more or less pale brown. Wings a little 

 yellowish tinged; veins brown or dark brown. Stigma slightly yellowish, 

 very faint. Squamulæ with long hairs at the margin. Halteres yellow, 



Female. I do not know the female but according to the de- 

 scriptions it is similar to the male, but has some more bristles on 

 the hinder part of the thoracic disc, thus differing herein from the 

 other species. 



Length 5 — 5,5 mm. 



E. lutea is very rare in Denmark, only three specimens, all 

 males, have been taken, at Horsens at the middle of July 1883 

 (H. I. Hansen). 



Geographical distribution: — Europe down into Italy; it seems 

 to have its northern limit in Denmark as the above given locality is 

 the northernmost known ; it occurs also in England. 



II. Subg. Anacrostichus Bezzi. 

 Black, shining, or somewhat greyish pruinose species of medium 

 size and slightly hairy. Eyes separated in both sexes, the frons 

 sometimes narrower in the male than in the female; all facets small. 

 Antennæ somewhat long, first joint longer than the second^ the third 

 elongated, Dorsocentral bristles uniserial (more or less irregularly) , 

 no acrostichal bristles. A humeral bristle, a posthumeral, a couple 

 of notopleural, a supralaar and a postalar bristle present. There are 

 somewhat long propleural and numerous metapleural bristles. Scu- 

 tellum with four to six marginal bristles. Abdomen without bristles. 

 The three last abdominal segments in the female suddenly narrowed, 



Fig. 33. Wing of E. nitida. 



the styli of the ovipositor long. Legs somewhat robust, hind femora 

 more or less thickened. Wings with the cubital vein curved slightly 



