. Diptera Danica: genera and species of flies hitherto found in Denmark. Diptera. 176 Orthorrhapha biachycera. occur in or near woods and in the vicinity of water. Staeger took it numerously flying in the air and in copula in Charlottenlund on ^^/s. Geographical distribution:— Northern and middle Europe down into France; towards the north to middle Sweden. 21. H. gallica Meig. 1804. Meig. Klass. eur. zweifl. Ins, I, 222, 7 (Empis). — 1822. Meig. Syst. Beschr. Ill, 9, 15. - 1842. Zett. Dipt. Scand. I, 336, 2. — 1862. Schin. F. A. 1, 114. — 1892. StrobI, Verb. zool. hot. Gesell. Wien, XLII, 166,
. Diptera Danica: genera and species of flies hitherto found in Denmark. Diptera. 176 Orthorrhapha biachycera. occur in or near woods and in the vicinity of water. Staeger took it numerously flying in the air and in copula in Charlottenlund on ^^/s. Geographical distribution:— Northern and middle Europe down into France; towards the north to middle Sweden. 21. H. gallica Meig. 1804. Meig. Klass. eur. zweifl. Ins, I, 222, 7 (Empis). — 1822. Meig. Syst. Beschr. Ill, 9, 15. - 1842. Zett. Dipt. Scand. I, 336, 2. — 1862. Schin. F. A. 1, 114. — 1892. StrobI, Verb. zool. hot. Gesell. Wien, XLII, 166, 50. — 1903. Kat. palaarkt. Dipt. II, 251. Male. Vertex, frons and epistoma grey, frons somewhat narrow; palpi dark, somewhat greyish, with brown or blackish hairs. Occiput grey, with black, downwards with brownish hairs. Antennae some- what long, black, the basal joints reddish. Thorax grey, with two somewhat distant, slightly darker stripes, abbreviated behind; a small humeral point reddish. The dorsocentral and acrostichal bristles short, black; the former uniserial, but in places irregularly biserial, longer behind, the latter somewhat dense, biserial to quadriserial, but very irregular and sometimes almost quite biserial. Further a humeral bristle, a posthumeral, three notopleural, a supraalar and a postalar bristle, all black and somewhat strong; besides there are finer hairs on the sides and in the prsesutural depression. Pleura grey, the spiracles brownish, and likewise a small, indistinct spot below the wing-root. Scutellum with four black marginal bristles. Abdomen grey, sometimes somewhat brownish or yellowish to- w^ards the base; it is clothed with brownish or blackish hairs, and has somewhat longer marginal bristles on the segments. Venter similarly coloured, short-haired. Exterior genitalia of medium size, somewhat com- pressed; the lamellae somewhat shining, with longish hairs. Legs yellow, also the coxae, the four last tarsal joints dark brown to black
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Keywords: ., bookauthorlu, bookcentury1900, bookdecade1900, booksubjectdiptera
