. Diptera Danica: genera and species of flies hitherto found in Denmark. Diptera. Trupheoneura. 133 4. T. intermedia Malloch. 1908. Malloch, Ent. Month. Mag. 2, XIX, 204. - 1914. Brues, Bull. Wise. Nat. Hist. Soc. XII, 98. — 1918. Schmitz, Jaarb. Xatuurh. Genootsch. Limburg 1917, 100. Male. Frons low, about three times as broad as high, somewhat shining; bristles not weak, the anterior row slightly convex. Antennae black, third joint large; arista short-pubescent. Palpi black, large and broad, with very short bristles along the lower margin. Thorax black, somewhat shining, with black pubescenc
. Diptera Danica: genera and species of flies hitherto found in Denmark. Diptera. Trupheoneura. 133 4. T. intermedia Malloch. 1908. Malloch, Ent. Month. Mag. 2, XIX, 204. - 1914. Brues, Bull. Wise. Nat. Hist. Soc. XII, 98. — 1918. Schmitz, Jaarb. Xatuurh. Genootsch. Limburg 1917, 100. Male. Frons low, about three times as broad as high, somewhat shining; bristles not weak, the anterior row slightly convex. Antennae black, third joint large; arista short-pubescent. Palpi black, large and broad, with very short bristles along the lower margin. Thorax black, somewhat shining, with black pubescence and one pair of dorsocentral bristles. Scutellum with four bristles, the anterior about. Fig. 51. Wing of T. intermedia S • half as large as the posterior. Pleura black, somewhat rugose. Ab- domen black, a little greyish, dull; first segment a little and sixth distinctly elongated, the first triangularly excised in the hind margin; second segment with a granulated or papillate patch on its base; abdomen sparingly with short hairs, best visible at the hind margins of the segments and the sides. Hypopygium large, but smaller than in opaca, well chitinised; it is greyish, but black and shining above at the base; with regard to the side prolongations from the tergite it is similar to that in opaca, on the right side there is at the end a somewhat broad, band-shaped prolongation which is curved down- wards and rounded at the end, on the left side there is more forwards a prolongation which is deeply cleft and thus divided forceps-like into two hook-like arms, both curved backwards, but much more unequal than in opaca, the anterior is large and shining, the posterior small, greyish and dull; anal tube small, not protruding; there is a large, arched, black and shining ventral plate, triangularly pointed; the hypopygium is a little hairy above on the apical part. Legs black or blackish, the knees yellowish and also often the front tibise paler; the legs are somewhat slender, the
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