Videnskabelige meddelelser

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Videnskabelige meddelelser

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bristles of the middle row, and the Iower direct under them,

not more approximated (in one female specimen the upper supra-

antennals are a little more distant than the Iower). Antennæ small,

black or brownish black, arista distinctly pubescent. Palpi dark

yellow, of ordinary size and armature. Thorax black; mesopleura

bristly, the bristles uniform. Scutellum with two bristles. Abdomen

black. Hypopygium small and withdrawn, there is a couple of

small bristles downwards on the sides; ventral plate yellowish,

flap-like, rounded at the end; anal tube small, dirty yellowish.

Legs brownish, the front legs paler; the front tarsi somewhat stout,

metatarsus only little narrower than tibia, the other joints more

slender; hind femora with long hairs below the basal part; brist-

les on hind tibiæ distinct though not large, about 12 in number.

Wings white, a little milky; thick veins brown, the others colour-

less; costa 0,4o of the wing-length, costal divisions proportionately

as 9 — 4—3; costal cilia long; fourth vein evenly curved. Halteres

black. — Female. Similar, front tarsi of the same shape and the

hairs below hind femora likewise long. Length 1,2 — 1,5 mm.

Bogø south of Sealand io/^_30/. [gjy ^^^^ author) ; one male

and two females.

24. A. brevipes n. sp. ^f.

A species near siiperciliata Wood but at once distinguished by

its Short, robust legs.

Male. Frons somewhat broader than long, greyish black; inner

bristle of Iower row below the outer and a little nearer to it than

to the upper supraantennal ; the supraantennals a little unequal,

the Iower somewhat smaller than the upper; the upper supraanten-

nals in about the same distance from each other as the inner

bristles of the middle row, the Iower pair more approximated and

near up to the upper. Antennæ of ordinary size, brownish black,

arista pubescent. Palpi yellow, of ordinary size and armature.

Thorax black; mesopleura bristly, the bristles uniform. Scutellum

with two bristles. Abdomen a little robust, black, greyish above,

the hairs at the hind margin of sixth segment longish. Hypopygium

small, greyish, with a nearly vertical series of bristly hairs on

each side; ventral plate dusky yellowish, small, nearly square;