[1][2] External images For terms see Morphology of Diptera Wing length 9·5–14 mm.

Legs reddish, femorae darkened at base.

See references for determination[3][4][5][6] Palearctic Fennoscandia South to the Pyrenees.

Ireland East through North Europe, Central Europe and South Europe (North Italy, Yugoslavia) into European Russia and through Siberia and the Russian Far East to the Pacific coast (Sakhalin Island).

[7][8] Habitat: Quercus, Betula and Pinus woodland, Salix carr, fen, bog and moorland.