Distribution; world
Widespread in central, eastern and southern Europe, eastwards to Asia Minor, the Caucasus and Iran. The ssp. crassiclypeata is endemic on the island of Sicily:
AT, *BE, BG, CZ, DE, FR, GR, HU, IT, IT-SI, MK, PL, RO, RU, SK, SL, UA, TR, CN, GE, IR
Conservation status; world
Conservation status: CZ - RDB1 (CR), DE1 - RDB1 (CR), DE2 - RDB1 (CR)