. Diptera Danica: genera and species of flies hitherto found in Denmark. Diptera. 266 Orthorrhapha brachycera. of its last part, the lower angle of the curve a little angular, Squamulae pale yellow, with a white fringe. Halteres pale yellow. Female. Frons aeneous, somewhat pruinose. Epistoma broad, this and the large palpi grey. Antennae short, the third joint about. Fig. 88. Antenna of P. crassipes Q. X oo. as long as the two basal, longer than broad; arista not fully twice as long as the antennae. Legs simple, almost quite yellow, only the front femora a little darkened at the base and the h
. Diptera Danica: genera and species of flies hitherto found in Denmark. Diptera. 266 Orthorrhapha brachycera. of its last part, the lower angle of the curve a little angular, Squamulae pale yellow, with a white fringe. Halteres pale yellow. Female. Frons aeneous, somewhat pruinose. Epistoma broad, this and the large palpi grey. Antennae short, the third joint about. Fig. 88. Antenna of P. crassipes Q. X oo. as long as the two basal, longer than broad; arista not fully twice as long as the antennae. Legs simple, almost quite yellow, only the front femora a little darkened at the base and the hind femora at the apex above; anterior tarsi darkened towards the end; hind tibiae more or less darkened towards apex and hind tarsi black. Anterior metatarsi scarcely as long as the four following joints. Front coxae with no black hairs at the apex, posterior coxae without tufts of bristles at apex, but with black hairs; femora quite short-haired, anterior femora with a preapical bristle on each side, hind femora on the anterior side. Wings more tinged than in the male. Length 4,8—6 mm. P. crassipes is somewhat common in Denmark; Ordrup Mose, Ermelund, Lyngby Mose, at Soro and at Nyraad near Vordingborg; it has thus only been taken on Sealand. My dates are ^^k—^^/e. It has been taken on bushes and in low herbage in fens. Geographical distribution:— Northern and middle Europe down into France; towards the north to northern Sweden, and in Finland and Siberia. Remarks: The females of the three species spinicoxa, elegantula and crassipes are somewhat similar; elegantula is easily known by the brightly shining thorax and more than one preapical bristle on the hind femora; it has the longest third antennal joint of the three species; spinicoxa has darker legs, the third antennal joint is short, almost as broad as long, the arista twice as long as the antennae; hind femora without preapical bristle; crassipes has the third antennal joint a little longer, and arista not twice as
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Keywords: ., bookauthorlu, bookcentury1900, bookdecade1900, booksubjectdiptera
