. Diptera Danica: genera and species of flies hitherto found in Denmark. Diptera. 264 Orthorrhapha brachycera. Length 3,3—4 mm. Remarks: The pale hairs on the legs of the male of this species are somewhat easily rubbed off. P. nemorum is somewhat rare in Denmark; Amager (Jacobsen), Damhusso, Fure So (the author); in all only eight specimens. My dates are in July. It has been taken at the borders of lakes. Geographical distribution: — Northern and middle Europe down into France; towards the north to middle Sweden. 5. P. crassipes Meig. 1824. Meig. Syst. Beschr. IV, 50,10, et 1830. VI. 362. — 18
. Diptera Danica: genera and species of flies hitherto found in Denmark. Diptera. 264 Orthorrhapha brachycera. Length 3,3—4 mm. Remarks: The pale hairs on the legs of the male of this species are somewhat easily rubbed off. P. nemorum is somewhat rare in Denmark; Amager (Jacobsen), Damhusso, Fure So (the author); in all only eight specimens. My dates are in July. It has been taken at the borders of lakes. Geographical distribution: — Northern and middle Europe down into France; towards the north to middle Sweden. 5. P. crassipes Meig. 1824. Meig. Syst. Beschr. IV, 50,10, et 1830. VI. 362. — 1843. Zett. Dipt. Scand. II, 466,7, et 1855. XII, 4617,7 {Rhaphium). — 1862. Schin. , 199. — 1903. Kat. palaarkt. Dipt. II, 328. — Rhaphium cylindricum Zett. 1838. Ins. Lapp. 705, nota. — Rhaphium fulvipes Meig. 1838. Syst. Beschr. VII, 151, 17. — Porphi/rops rufipes Meig. 1824. Svst. Beschr. IV;, 52, 14, et 1830. VI, 363. Male. Vertex and Irons green; eyes whitish-hairy. Epistoma narrow, silvery while. Palpi small, grey. Occiput green, a little greyish pruinose; postocular hairs black above, whitish below. An- tennae black, not as long as the head, third joint not twice as long. Fig. 81. Antenna of P. crassipes d". X o5. as the two basal; arista generally a little longer than the antennae, but the third antennal joint may vary slightly in length so that the arista is sometimes only as long as the antennae. Thorax dark green, with two darker stripes in the middle, abbreviated behind; it is slightly greyish pruinose, shining. Pleura green, greyish pruinose; propleura with pale hairs. Scutellum with rather many marginal hairs at the sides. Abdomen green, sometimes aeneous or more or less coppery, with darker incisures, and slightly greyish pruinose; it is clothed with short, black hairs, somewhat longer and pale at the sides of the three first segments; there are short hindmarginal bristles, long on the first segment. Venter greenish, grey pruinose, with l
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Keywords: ., bookauthorlu, bookcentury1900, bookdecade1900, booksubjectdiptera
