. Diptera danica : genera and species of flies hitherto found in Denmark. Diptera -- Denmark. Empididae. 221 fine yellow hairs. Abdomen grey, with a broad, olive-brown, longi- tudinal dorsal stripe; it is sparingly clothed with short, pale yellow hairs, a little longer at the margin of the first dorsal segment. Venter grey. Exterior genitalia chiefly resembling those in stagnalis. Legs brown, tarsi darker towards the end; coxæ greyish pruinose, and also the base of the front femora slightly greyish pruinose. The legs with short, brown to blackish hairs, hind tibiæ with somewhat longer hairs ve
. Diptera danica : genera and species of flies hitherto found in Denmark. Diptera -- Denmark. Empididae. 221 fine yellow hairs. Abdomen grey, with a broad, olive-brown, longi- tudinal dorsal stripe; it is sparingly clothed with short, pale yellow hairs, a little longer at the margin of the first dorsal segment. Venter grey. Exterior genitalia chiefly resembling those in stagnalis. Legs brown, tarsi darker towards the end; coxæ greyish pruinose, and also the base of the front femora slightly greyish pruinose. The legs with short, brown to blackish hairs, hind tibiæ with somewhat longer hairs ventrally on the apical half; front femora with some black bristles ventrally at the base, and besides with a row of exceedingly short, nearly punctiform bristles. Wings hyaline, slightly greyish. Veins. Fig. 91. Wing of Cl. Wesmaelii. dark brown or blackish, the radial vein somewhat undulated; the medial cross-vein, the base of the cubital fork, the base of the upper branch of the postical vein and the cross-veins closing the discai cell apically, brownish seamed, the brownish colour at the end of the discai cell stretching somewhat out along the upper branch of the discai vein, and outwards to it a roundish spot on the branch; thus the wing shows in all five brownish spots; anal vein long, but not quite reaching the margin. No stigma. Halteres blackish brown. Female. With exception of the differences in the exterior genitalia quite similar to the male. Length about 4 mm. Cl. Wesmaelii seems to be rare in Denmark, only one specimen, a female, has been taken on '^-'Ic, 1874 on a window in Rugballegaard near Vejle (Schlick). Geographical distribution: — Europe down into Italy; towards the north to middle Sweden. III. Subg. Eucelidia Mik. Stigma present, elongated; discai cell long, pointed towards the apex; anal vein not reaching beyond the anal cell; costa with some- what strong spines. Glypeus horse-shoe-shaped, separated from the epistoma; jowls somewhat descending below th
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishercopenhagengecgad
