Archive image from page 338 of Diptera danica genera and Diptera danica : genera and species of flies hitherto found in Denmark dipteradanicagen04lund Year: 1907 Dolichopodidae. 329 Moscou, 11. — Hydrophorus aeneivittatus Macq. 1827. Soc. Se. Lille, 1827, 38, 2. — Medeterus aeneivittatus 1838. Meig. Syst. Beschr. VII, 156, 27. — Musca rostrata Fabr. 1775. Syst. Ent. 783,53. — Dolichopus rostratus 1805. Fabr. Syst. Antl. 269, 15. — Hydrophorus rostratus 1823. Fall. Dipt. Suec. Dol. 4,6. — 1843. Zett. Dipt. Scaiid. II, 449,9, et 1849. VIII, 3055, 9. — Medeterus rostratus 1824. Meig. Syst. Bes
Archive image from page 338 of Diptera danica genera and Diptera danica : genera and species of flies hitherto found in Denmark dipteradanicagen04lund Year: 1907 Dolichopodidae. 329 Moscou, 11. — Hydrophorus aeneivittatus Macq. 1827. Soc. Se. Lille, 1827, 38, 2. — Medeterus aeneivittatus 1838. Meig. Syst. Beschr. VII, 156, 27. — Musca rostrata Fabr. 1775. Syst. Ent. 783,53. — Dolichopus rostratus 1805. Fabr. Syst. Antl. 269, 15. — Hydrophorus rostratus 1823. Fall. Dipt. Suec. Dol. 4,6. — 1843. Zett. Dipt. Scaiid. II, 449,9, et 1849. VIII, 3055, 9. — Medeterus rostratus 1824. Meig. Syst. Beschr. IV, 61, 3. Male. Vertex and frons brownish grey. Epistoma somewhat bi'oad, metallic green or bluish, shining, especially below, a little greyish pruinose just above the transverse ridge and below the antennæ. Palpi black. Oceiput grey; the postocular bristies yel- lowish, somewhat long and dense, the uppermost are small and darker. Antennæ black, third joint a little longer than broad; the arista subapical, long, more than thrice as long as the antennæ. Thorax grey pruinose, dull; seen from behind the metallic green ground colour is seen; the disc has three brown or somewhat coppery stripes, the median abbreviated behind, the lateral in front; the acrostichal Fig. 102. Antenna of M. diudema d'. X 65. bristles very short; the dorsocentral rows consisting of two somewhat short bristles in front, and two longer behind; the rows do not reach much forwards; the hairs on the front part of the disc are very small and partly pale. Scutellum with four bristles. Pleura some- what greenish or æneous, pale grey pruinose; propleura with three to five whitish prothoracic bristles. Abdomen green, æneous or more coppery, densely clothed with short, pale yellow hairs, and with pale hindmarginal bristles on the first segment. Venter greyish, with pale hairs. Hypopygium somewhat large, black; the eighth segment greyish, with pale hairs at the margin; the ventral lobes s
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