j^84 Orthorrhapha brachycera. 



little inwards; tarsi black with the metatarsus except the apex yellow; 

 hind metatarsus much shorter than the second joint. The legs have 

 short, black hairs; posterior femora with one preapical bristle; front 

 tibiæ with bristles above, but none below; middle tibiæ with two 

 rows of bristles above, below there are three or four short spine-like 

 bristles which are directed downwards and each placed on a little 

 elevation, the lowermost are paired, two standing beside each other; 

 hind tibiæ with two dorsal rows of somewhat long bristles, and a 

 ventral row of a little shorter bristles. Wings somewhat long, brownish 

 fumigated; veins black; costa slightly thickened a little after the 

 base and more thickened trom the apex of the subcostal vein and 

 outwards; discai vein very slightly bent, a little converging towards 

 the cubital vein; axillary lobe somewhat small. Squamulæ yellow, 

 with a black fringe. Balteres yellow. 



Feniale. Epistoma somewhat broader than in the male. Antennæ 

 of about the same length. Middle tibiæ simple, with the ventral 

 bristles of usual shape. Wings with the costa less thick. 



Length 3,5 — 4 mm. 



H. cupreus is not uncommon in Denmark on suitable localities; 

 Ordrup Mose, Bøllemosen, Hillerød, Tyvekrogen near Hillerød, Faxe 

 Ladeplads; on Langeland at Lohals; on Funen at Middelfart, and 

 in Jutland at Funder near Silkeborg. My dates are ^/e — ^^/t. It occurs 

 in woods on humid piaces and near water. 



Geographical distribution: — Northern and middle Europe down 

 into France; towards the north to middle Sweden. 



9. H. angustifrons Stæg. 



1842. Stæg. Krøyer's Tidsskr. IV, 44, 41 (Dolichopus) — 1843. Zett. 

 Dipt. Scand. II, 578, 67, et 1852. XI, 4297, 67, et 1855. XII, 4632, 67 

 {Dolichopus). — 1903. Kat. palåarkt. Dipt. II, 317. 



Male. Vertex and frons brownish or greyish dusted, ocellar 

 tubercle darker. Epistoma narrow, white or greyish white; clypeus 

 bent angularly inwards. Palpi black. Occiput dark greenish, a little 

 pruinose; postocular bristles black. Antennæ black, not as long as the 

 head, the third joint not as long as broad ; arista distinctly but short- 

 haired. Thorax dark green, very slightly pruinose, shining; scutellum 

 with short, black hairs both above and at the margin. Pleura dark 

 greyish pruinose; propleura with a few, short, dark hairs and a black 

 prothoracic bristle. Abdomen dark green, not or almost not pruinose; 

 it is clothed with short, black hairs, and has short hindmarginal 

 bristles, somewhat longer on the first segment. Venter greenish, grey 

 pruinose, with yellow or brownish hairs, a little longish at the base. 



