Distribution; world
Endemic to Europe. This is a species of the southern Alpine regions of Europe, where it can be found up to an altitude of 1500m (Amiet et al., 2001):
AT, FR, CH, HR, IT, *RO, SL
Abundance; world
Rare and very localised
Conservation status; world
Conservation status: CH - RDB4 (NT), SL - RDB3 (VU), EU - RDB-EN (Nieto et al, 2014)