. Diptera danica : genera and species of flies hitherto found in Denmark. Diptera -- Denmark. Empididae. 257 Schin. F. A. I, 95. — 1903. , 272. — Drapetis nigra: 1830. Meig. Syst. Beschr. VI, 344, 2. — Drapetis \minima: 1838. Meig. Syst. Beschr. VII, 100, 4. Male. Frons, vertex and epistoma black; ocellar tubercle with about four small bristles. Palpi greyish brown. Occiput black, shining, with a pair of bristles and some small hairs above. Antennæ black or blackish, the second joint with a short bristle below, the third short ovate. Thorax black, shining, with a very short
. Diptera danica : genera and species of flies hitherto found in Denmark. Diptera -- Denmark. Empididae. 257 Schin. F. A. I, 95. — 1903. , 272. — Drapetis nigra: 1830. Meig. Syst. Beschr. VI, 344, 2. — Drapetis \minima: 1838. Meig. Syst. Beschr. VII, 100, 4. Male. Frons, vertex and epistoma black; ocellar tubercle with about four small bristles. Palpi greyish brown. Occiput black, shining, with a pair of bristles and some small hairs above. Antennæ black or blackish, the second joint with a short bristle below, the third short ovate. Thorax black, shining, with a very short, brownish grey pubescence, and only with a pair of longer bristles behind. There are some blackish notoplem*al bristles and a postalar bristle. Scutel- lum with two black marginal bristles and a pair of weaker bristles outwards. Pleura black, shining. Abdomen black, somewhat shining, with a short, pale brownish pubescence; venter similarly coloured and haired. Legs black or brownish, trochanters and knees reddish, front coxæ pale; the legs may vary in colour to quite yellowish, especially in the female. The hind femora with a few blackish bristles below at the apex, anterior femora with fine hairs below; bristles at the. Flg. 115. Wing of apex of the anterior femora scarcely observable; for the rest the legs short-haired, and the tibiæ without apical spurs. Wings hyaline. Veins brown; the cross-veins distant; the discai vein thin from the base to the postical cross-vein; a thin anal vein] is indicated. Halteres blackish or brown. Female. Quite similar to the male, the abdomen is pointed. Length 1,5—1,7 mm. D. assimilis seems to be very rare in Denmark, only three speci- mens are known, taken many years ago, one from Westermann's collection, labelled Copenhagen, and two from Stæger, probably taken at Ordrup. Geographical distribution:— Northern and middle Europe down into France; towards the north to southern Sweden. — It is also recorded to occur i
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