. Diptera Danica: genera and species of flies hitherto found in Denmark. Diptera. Empididae. 161 according to the direction of the view. The dorsocentral and acrostichal bristles of some length, black, the former irregularly biserial, long be- hind, the latter quadriserial. Further a humeral bristle, a posthumeral, two strong notopleural, a supraalar and a postalar bristle, all black and rather long; but besides there are other hairs on the sides of the disc, especially some strong, bristly hairs in the anterior part of the praesutural depression. Pleura dark grey pruinose. Scutellum with six,
. Diptera Danica: genera and species of flies hitherto found in Denmark. Diptera. Empididae. 161 according to the direction of the view. The dorsocentral and acrostichal bristles of some length, black, the former irregularly biserial, long be- hind, the latter quadriserial. Further a humeral bristle, a posthumeral, two strong notopleural, a supraalar and a postalar bristle, all black and rather long; but besides there are other hairs on the sides of the disc, especially some strong, bristly hairs in the anterior part of the praesutural depression. Pleura dark grey pruinose. Scutellum with six, sometimes eight black marginal bristles. Abdomen greyish black, somewhat shining, with the light from behind it has lighter hind margins to the segments and a faint, dark dorsal stripe; it is densely clothed with somewhat long, black hairs and has long marginal bristles on the segments. Venter greyish, short-haired. Exterior genitalia small, compressed, with short hairs. Legs black, black-haired; coxse greyish pruinose; the knees slightly yellowish. Front femora with hairs on the posterior side; middle femora with long, bristly hairs on the anterior side and two rows of strong bristles on the apical half below; hind femora with fine hairs and with bristles below; front tibiae ciliated above and below, and with bristles above; middle tibiae with bristles on the various sides, and hind tibiae with somewhat long bristles on the dorsal and anterior side. Front metatarsi slightly thickened, almost not thicker than the end of tibiae, cylindrical, about three fourths of the tibiae in length and a little shorter than the other four joints together; they are long-haired ^^^•^^•^;^"*'''"'tn'^"' o » J o front le"' X 30. above and with some longer, bristly hairs; all ""' tarsal joints longer than broad. Wings almost hyaline. Veins black or dark brown; the upper branch of the cubital vein somewhat diverging. not curved at the apex. Stigma brown. Halteres
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Keywords: ., bookauthorlu, bookcentury1900, bookdecade1900, booksubjectdiptera
