. Diptera danica : genera and species of flies hitherto found in Denmark. Diptera -- Denmark. Dolichopodidae. 89 of no consequence, as also other species are known, which are not quite constant with regard to the colour of the squamular fringe. D. tanythrix is very rare in Denmark, and has only been taken on one occasion, when four specimens, two males and two femaJes, were taken at Sminge near Silkeborg in Jutland on ^^li 1909. (Th. Mortensen). Geographichal distribution:— The species is, as far as I am aware, only known from Denmark, Bohemia and Styria. 13. D. atripes Meig. 1824. Meig. Syst.
. Diptera danica : genera and species of flies hitherto found in Denmark. Diptera -- Denmark. Dolichopodidae. 89 of no consequence, as also other species are known, which are not quite constant with regard to the colour of the squamular fringe. D. tanythrix is very rare in Denmark, and has only been taken on one occasion, when four specimens, two males and two femaJes, were taken at Sminge near Silkeborg in Jutland on ^^li 1909. (Th. Mortensen). Geographichal distribution:— The species is, as far as I am aware, only known from Denmark, Bohemia and Styria. 13. D. atripes Meig. 1824. Meig. Syst. Beschr. IV, 102,51. — 1831. Stann. Isis 1831,137, 31. — 1852. Zett. Dipt. Scand. XI, 4283, 19—20, et 1855. XII, 4625, 19—20. - 1862. Schin. F. A. I, 213. — 1903. Kat. palaarkt. Dipt. II, 295. Male. Vertex and frons green. Epistoma moderately narrow, narrowed downwards, brown. Palpi blackish. Occiput green, a little greyish pruinose; postocular bristles white below, black above. Antennæ black, shorter than the head, third joint short triangular, broader than long. Thorax green, slightly greyish pruinose, shining; scutellum distinctly yellow-haired; postscutellum green, grey pruinose. Pleura green, slightly grey pruinose; propleura with fine hairs, which are brown above, paler downwards, and with a black, prothoracic bristle. Abdomen green, with slight bronze reflexes, fmely whitish pruinose down the sides, and with slight dark hind margins to the segments. It is clothed with short, black hairs; the segments have bristles at the hind margin. Venter grey, with slight, pale hairs at the base. Hypopygium somewhat large, black, but a little æneous at the right side, greyish pruinose on Fig. 21. D. atripes. Apical part of the anterior half; the eighth segment lypopygmm. with black hairs; there are slightly projecting, rounded posterior ventral lobes; the inner lamellæ are very complicated, the median pointed, the lateral large, whitish, flat, with various dilatations a
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