Dolichopodidae. 99 



Bornholm at Hasle. My dates are ^h—^ls. It occurs near water and 

 seems especially to prefer sandy localities near the coast. 



Geographical distribution: — Northern and middle Europe down 

 into Tirol and Hungary; towards the north to southern Sweden. 



19. D. plumipes Scop. 



1763. Scop. Ent. Garn. 334, 895 (Miisca). — 1862. Schin. F. A. I, 

 217. — 1903. Kat. palåarkt. Dipt. Il, 302. — DoUchopm pennitarsis Fall. 

 1823. Dipt. Suec. Dol. 11,6. — 1824. Meig. Syst. Beschr. IV, 90, 29. — 

 1831. Stann. Isis 1831, 63, 14. — 1842. Stæg. Krøyer's Tidsskr. IV, 25, 

 15. — 1843. Zett. Dipt. Scand. II, 541, 35, et 1855. XII, 4628, 35. — 

 Dolichopus planitarsis Meig. (nec Fall.) 1824. Syst. Beschr. IV, 45^, 25. 



Male. Frons and vertex green. Epistoma somewhat narrow, 

 yellow or ochraceous; it is long, going to or almost to the lower 

 margin of the eyes. Palpi yellow. Occiput green, slightly greyish 

 pruinose; postocular bristles yellow below, black above. Antennæ a 



Fig. 25. Antenna of D. plumipes d", from the inside. X 65. 



little longer than the head, the third joint ovate; the basal joints and 

 the lower basal corner of the third joint yellow, the rest black. 

 Thorax bright green or golden green, sometimes more olive, slightly 

 pruinose, shining; scutellum slightly yellow pubescent; postscutelium 

 green, a little greyish pruinose. Pleura green, grey pruinose ; pro- 

 pleura with fine pale hairs and a black prothoracic bristle. Abdomen 

 green or golden green, sometimes with coppery reflexes, slightly whitish 

 grey pruinose downwards, and with narrow, dark hind margins to 

 the segments. It is clothed with short, black hairs, and has a little 

 longer hindmarginal bristles, which are not longer on the first seg- 

 ment. Venter greenish grey, with short, yellow hairs. Hypopygium 

 black, a little greenish, greyish pruinose; the eighth segment with 

 black hairs; there are somewhat projecting posterior ventral lobes 

 with a little point at the upper apical corner; the inner lamellæ are 

 only curved slightly downwards, the median short and thin, the lateral 

 longer and dilated, especially at the apex; the outer lamellæ some- 

 what small, nearly oval, whitish with a brownish black ventral and 

 apical margin, the latter broadest; at the end there are some short 



7* 



