Distribution; world
This is a predominantly central European species, becoming rare and sporadic north of Belgium; for example, there is only one record from southern Finland (Elfving, 1968). The Palaearctic range extends south to Spain and east to Romania and the Caucasus. F.K. Stöckhert (1933) records the species from central Asia and reports that both there and in southern Europe it is largely restricted to montane habitats Adventive in the US:
AL, AT, BE, BG, CH, CZ, DE, *DK, ES, EE, FI, FL, FR, GB, HU, IT, IT-SI, LT, LU, LV, ME, NL, NO, PL, PT, RO, RS, RU, RU-EU, SE, SK ,SL, UA, GE, IR, US
Conservation status; world
Conservation status: CZ - RDB2 (EN), NL - RDB2 (EN), EU - RDB-LC (Nieto et al, 2014)