Distribution; world
The species is widely distributed in western Europe, but appears to be rare throughout its range. F.K. Stöckhert (1933) summarises its distribution as France to central and southern Germany, and northern Italy. It is also known from Holland (Leys, 1978), Spain and the U.S.S.R. (Ukraine, Caucasus)(Dylewska, 1987), Czechoslovakia (Kocourek, 1966), Turkey (Warncke, 1974) and Romania.:
AT, BA, BE, BG, CH, CZ, DE, ES, FR, GB, GR, GR-AN, HU, IT, IT-SI, MK, NL, RO, RU, SK, SL, TR, UA, AM
Abundance; world
There is no information available for the population size and trend of this species, although populations are presumed to be small.
Conservation status; world
Conservation status: CH - RDB3 (VU), CZ - RDB0 (RE), DE1 - RDB2 (EN), DE2 - RDB2 (E|N), GB - RDB1 (EN), NL - RDB4 (NT), SL - RDB1-2 (EN), EU - RDB-DD (Nieto et al, 2014)