Distribution – Holarctic (Radovsky 1967; Stanyukovich 1997).
Hosts (in the Old World) – Myotis dasycneme, My. brandtii, and My. daubentonii (Stanyukovich 1990), M. sibiricus (Orlova et al. 2017a), Plecotus auritus (Stanyukovich 1990), P. ognevi (as Plecotus auritus – Medvedev et al. 1991), Pipistrellus nathusii, Vespertilio murinus and Eptesicus nylssonii (Stanyukovich 1990).