Trupheoneura. 131 



and one pair of dorsocentral bristles. Scutellum with foiir equal 

 bristles. Abdomen black, distinctly greyish, dull, first segment excised 

 in the hind margin, at the sides much longer than second, sixth a 

 little elongated; second segment granulated or papillate on its front 

 part; abdomen has short hairs almost only at the hind margins of 

 the segments. Hypopygium somewhat large, but much smaller than 

 in opaca, greyish, black and shining above at base; the side prolong- 

 ations or arms of forceps of simple shape, the right a little narrower 

 than the left; anal tube small, flat; below there is a large, arched, 

 black and shining ventral plate; the hypopygium is hairy above on 

 the apical part. Legs black or brownish black, tibiæ and tarsi paler, 

 the front tibiæ the palest; front tibiæ without or with a quite small 

 dorsal bristle, middle tibiæ with a pair at the upper third and a small 

 anterior at apex and hind tibiæ with an anterior bristle at the upper 

 third and a smaller at apex. Wings somewhat yellowish tinged, veins 

 brown; costa reaching beyond the middle, somewhat thickened from 

 the apex of the subcostal vein outwards, 1 slightly longer than 2+3; 

 fork longish; costal cilia quite short; fourth vein well curved in its 

 basal part, the seventh vein weak but reaching the margin almost 

 or quite. Halteres black. 



Female. Third joint of antennæ smaller than in the male; palpi 

 narrower with ordinary bristles; clypeus only slightly protruding and 

 proboscis not large. Wings with the seventh vein as in the male. 



Length 2,5 — 3,5 mm. 



T. liigubris seems to be very rare in Denmark, I only know two 

 specimens, both females and both from North Sealand (Schlick), 

 one of them taken at Damhusmosen ^^/3l878; as we have only the 

 female the above description of the male is drawn from a German 

 specimen, kindly sent me from Pater Schmitz. 



Geographical distribution: — Europe down into Styria, towards 

 the north into Norway. 



3. T. pauciseta Schmitz. 



1918. Schmitz, Ent. Ber. Nedeil. Ent. Ver. V, 28 et 1918. Jaarb. Natuurh. 

 Genootsch. Limburg 1917, 100. 



Male. Unknown. 



Female. Frons somewhat broader than high, black, practically 

 not shining; bristles not weak, the anterior rows convex. Antennæ 

 small, brown, arista pubescent. Palpi dark yellow, somewhat narrow, 



9* 



