10 
the hairs below hind femora short; bristles on hind tibiæ fine and 
delicate. Wings slightly brownish tinged, veins brown; costa reach- 
ing to the middle, costal divisions proportionately nearly as 4—2—1; 
angle at fork ordinary; costal cilia moderately long; fourth vein 
quite evenly curved. Halteres black. — Female. Similar to the 
male, front tarsi constructed in the same way, the middle joints 
fully as stout; wings with the fork longer but the angle the same. 
Length 1,5 —1,7 mm. 
Ermelund 8 /s 1918, Dyrehaven ~/& 1919, Lyngby Mose "/e 
1918 and Ry in Jutland 28 /? 1918 (the author); three males and 
three females. 
11 . A. nigvipalpis n. sp. £. 
A species near alticolellu Wood but with deep black palpi. 
Male. Frons considerably broader than long, black, slightly 
greyish; bristles strong, inner bristle of lower row somewhat below 
the outer and nearer to it than to the upper supraantennal; supra- 
antennal bristles unequal, the lower pair somewhat weaker than 
the upper; the upper supraantennals approximated, a little nearer 
together than the inner bristles of middle row, the lower supra¬ 
antennals still a little more approximated. Antennæ black, a little 
above ordinary size, arista distinctly pubescent. Palpi of fair size, 
black, the bristles rather strong. Thorax black; mesopleura bristly, 
the bristles equal. Scutellum with two bristles. Abdomen black, 
very slightly greyish. Hypopygium not large, on each side with 
three or four bristles below in a somewhat oblique row continued 
upwards in three vertically placed bristles; anal tube of medium 
size or somewhat small, black. Legs black, the front legs slightly 
paler, last joint of front tarsi deep black; front tarsi dilated, the 
metatarsus almost as broad as tibia; the hairs below the basal part 
of hind femora short and not dense; bristles on hind tibiæ some¬ 
what small, not numerous, about 12 in number. Wings quite clear, 
thick veins blackish, the others almost colourless; costa reaching 
to the middle, costal dtvisions proportionately as 13—7—4; costal 
cilia long; fourth vein evenly curved. Halteres black. Length 
1,8 mm. 
Ermelund ll /e 1919 (the author); one male. 
