Distribution; world
Worldwide the species ranges from western, central and northern Europe (including much of Fennoscandia) eastwards to Sakhalin (Løken, 1973). Recently discovered in the western Aleutian islands (Williams & Thomas, 2005).
AT, BE, BY, CH, CZ, DE, DK, EE, FI, FR, GB, HU, IE, LT, LV, NL, NO, PL, RO, RU, RU-EU, SE, SK, UA, US
Abundance; world
In decline over much of its range
Conservation status; world
Conservation status: CH - RDB0 (RE), CZ - RDB3 (VU), DE1 - RDB2 (EN), DE2 - RDB2 (EN), DK - RDB1 (CR), EE - RDB4 (NT), GB - RDB1 (EN), HU - RDB5 (DD), IE - RDB2 (EN), NL - RDB1 (CR), NO - RDB2 (EN), SE1 - RDB4 (NT), SE2 - RDB4 (NT), EU - RDB3 (VU), EU - RDB-VU (Nieto et al, 2014)