2 
as the sixth segment, at the lower corners a bunch of erect, some- 
what bristly hairs; anal tube not large, blackish with a paler end. 
Legs yellowish, the posterior ones more brownish yellow; front 
tarsi slightly stronger than the others; hind femora on the basal 
half below with some sparse, slightly longish hairs; hind tibial 
bristles delicate. Wings clear or nearly so, veins blackish brown; 
costa 0 , 46 — 0,47 of the wing-length, costal divisions proportionately 
as 10—5—3; angle at fork somewhat large; costal cilia only 
moderately short, nearly on the border between short and long; 
fourth vein almost not curved at origin. Halteres black. Length 
about 1,4 mm. 
Stensby Skov in Sydsjælland 27 /7 1917 (the author); 4 males 
Costa long, fringe long. 
2. A. fuscipennis n. sp. <$ $ . 
A species near fungiuora Wood, but differing in several respects. 
Male. Frons somewhat broader than long, greyish black; brist¬ 
les strong, the inner bristles of the lower row somewhat below the 
outer and nearer to the upper supraantennal than to the outer 
bristle; supraantennal bristles unequal, the lower about half as 
large as the upper; the upper supraantennals equally distant with 
the inner bristles of the middle row, the lower ones direct below 
the upper, not more approximated. Antennæ of ordinary size, black, 
arista not long, short pubescent. Palpi not large, dusky yellow, with 
ordinary bristles. Thorax black, the pleura may be a little brown¬ 
ish, especially anteriorly; mesopleura conspicuously bristly, one or 
two of the lower hinder bristles longer than the rest, but not very 
long. Scutellum with two bristles. Abdomen black, very slightly 
greyish; the hairs at the hind margin of sixth segment longish, 
especially on the sides. Hypopygium of medium size, produced a 
little downwards, higher than long; it is black, but downwards 
more brownish or blackish red; when fully exposed it is narrowly 
glossy above just at the base ; on each side it bears about three 
bristly hairs, one above the other, the lowermost the strongest; 
ventral plate dusky yellow or brown, broadest at the end and here 
broadly rounded; anal tube longish, brownish or dusky yellow, 
