. Diptera Danica: genera and species of flies hitherto found in Denmark. Diptera. Dolichopodidae. 55 Female. Epistoma broader than in the male, grey, not quite reaching the lower margin of the eyes. Antennas somewhat shorter, the basal joint not with dense bristles. Wings not so broad as in the male, without any black costal swelling. Hind femora generally with only two preapical bristles, and front tibiae without any apical hair. Length 5—6 mm. H. latipennis is not rare in Denmark; Amager, Gharlottenlund, Skelsk0r and on the little island Egholm at Skelskor, Frederikssund, Roskilde and Boseru
. Diptera Danica: genera and species of flies hitherto found in Denmark. Diptera. Dolichopodidae. 55 Female. Epistoma broader than in the male, grey, not quite reaching the lower margin of the eyes. Antennas somewhat shorter, the basal joint not with dense bristles. Wings not so broad as in the male, without any black costal swelling. Hind femora generally with only two preapical bristles, and front tibiae without any apical hair. Length 5—6 mm. H. latipennis is not rare in Denmark; Amager, Gharlottenlund, Skelsk0r and on the little island Egholm at Skelskor, Frederikssund, Roskilde and Boserup; on Falster at Resle; in Jutland at Horsens, and on Lseso. It is seen somewhat early in the year, my dates are 28/5—^"/s. It occurs at the sea-coast and often in great number. A pupa was taken on Amager, on the coast below sea-weed by J. P. Kryger on 7*? ^nd the imago came on ^^/s. Geographical distribution: — Northern and middle Europe, down into Bohemia; tow^ards the north to northern Scandinavia. 2. H. diadema Hal. 1831. Hal. Zool. Journ. V, 361,11 {Dolkhopus). — 1862. Schin. F. A. I, 212. — Dolichopiis fraternus Staeg. 1842. Krayer's Tidsskr. IV, 14, 2. — Dolichopiis Stannii Zett. 1843. Dipt. Scand. II, 560, 51 et ,5056,51. _ Male. Vertex and frons dark greenish. Epistoma somewhat nar- row, white, reaching below the lower margin of the eyes. Palpi greyish. Occiput greyish green; postocular bristles yellow, the upper. Fig. 16. Antenna of H. diadema cf, from the inside. X 65. black. Antennse black, not long, first joint longer than second, third short, triangular; the second overlaps the third about in the middle on both sides, highest on the outer side; it has a circlet of bristles at the apex, longest above and below; arista longer than the antennae. Thorax metallic green, more olive on the disc, very slightly pruinose, shining; there are two posthumeral, a praesutural, and three supra- alar bristles. Scutellum very short-haired, with two long, b
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Keywords: ., bookauthorlu, bookcentury1900, bookdecade1900, booksubjectdiptera
