Distribution; world
Europe. An Alpine species, with an outlying population in Montenegro (Ebmer, 1988). There are records of the species from altutudes of 2200m:
AT, CH, DE, FL, FR, GR, IT,SL, YU
Conservation status; world
Conservation status: DE - RDBR (GR), DE2 - RDBR (Rare), EU - RDB-LC (Nieto et al, 2014)