Distribution; world
In the western Palaearctic, it is a northern species ranging from northern Finland (Elfving, 1968) southwards, though with only scattered records from further south in Europe (F.K. Stöckhert, 1933; Westrich, 1989).
AT, BE, BY, CH, CZ, DE, DK, EE, FI, FR, GB, GR, HU, IE, IT, LT, LU, LV, NL, MK, NO, PL, RO, RU, RU-EU, SE, SK, TR, UA, JP
Conservation status; world
Conservation status: CH - RDB3 (VU), CZ - RDB3 (VU), DE - RDB3 (VU), NL - RDB3 (VU)