92 Orthorrhapha brachycera. 



15. D. clavipes Hal. 



1831. Hal. Zool. Journ. V, 365,23. — 1903. Kat. palaarkt. Dipt. II, 297. 

 — Dolichopus fuscipes Hal. 1831. Zool. Journ. V, 364. — Dolichopus 

 ohscuripefi 'M.Qi^. 1838. Syst. Beschr. VII, 163, 63. — Gywnoptermis obsciiripes 

 1862. Schin. F. A. 1, 211. — Dolichopus rusticus Meig. 1824. Syst. Beschr. 

 IV, 77, 5. — Dolichopus trochanteratus Zett. 1843. Dipt. Scand. Il, 540, 

 34, et 1855. XII, 4268, 34. — Dolichopus vitripennis 1842. Stæg. (nec 

 Meig.) Krøyer's Tidsskr. IV, 35, 27. 



Male. Vertex and frons green or bronze-coloiired. Epistoma 

 moderately broad, a little narrowed downwards, white. Palpi yel- 

 lowish or brownish. Antennæ black, the basal joint yellow beneath; 

 they are not as long as the head, third joint short triangular. Occi- 

 put green, greyish pruinose; postocular bristles white, black above. 

 Thorax green, slightly brownish pruinose, shining; scutellum finely 

 yellow pubescent; postscutellum greyish. Pleura greenish, grey pruinose; 

 propleura with fine, pale hairs and a black prothoracic bristle. Ab- 

 domen greenish, downwards finely whitish pruinose; darker hind 

 margins to the segments shght or wanting. The colour of the body 

 may vary rather much, from greenish to bronze or more copper- 

 coloured, or to more olive. Abdomen clothed with short, black hairs, 

 the hind margins of the segments have short bristles. Venter greyish 

 or greenish grey, slightly pale-haired at the base, Hypopygium rather 

 small, reaching about to the base [of the fourth segment, black or 

 slightly greenish, greyish pruinose; the eighth segment with black 

 hairs; there are somew^hat projecting posterior ventral lobes, with a 

 little point at the upper apical corner; the inner lamellæ curved 

 downwards and towards each other, the median are pointed, the 

 lateral dilated and with three small, black spines at the upper margin; 

 the outer lamellæ of medium size, somewhat ovate, whitish with a 

 somewhat broad, blackish margin in the posterior half; the end has 

 some teeth, the ventral margin is serrated, and both have blackish, 

 curved hairs, and on the inner side inwards curved hairs. Legs with 

 the coxæ grey, lighter anteriorly, trochanters reddish yellow, femora 

 blackish or dark piceous, sometimes lighter towards the base; knees, 

 anterior tibiæ and basal part of metatarsi yellowish or dark yellowish; 

 hind tibiæ somewhat compressed, and dilated in the middle, black, 

 sometimes a little pale at the base; anterior tarsi with apex of meta- 

 tarsus and the four foUowing joints black, and hind tarsi quite black. 

 Legs with short, black hairs; front coxæ white-haired, and all femora 

 somewhat pale-haired below; hind femora with a little longer hairs 

 above towards the base, and with a fringe of long, yellow cilia below 

 in about the apical two thirds; posterior femora with one preapical 



