Distribution; world
A glacial relict species. Known from northern Europe, western Europe, and from the Alps:
AT, BE, CH, CZ, DE, DK, EE, ES, FI, FR, IT, LT, LV, NL, PL, RO, RU, RU-EU, SL, SE
Conservation status; world
Conservation status: CZ - RDB2 (EN), DE1 - RDB2 (EN), DE2 - RDB2 (EN), EU - RDB-DD (Nieto et al, 2014)