Pipistrellus pygmaeus (Leach, 1825)
Risk Level Europe: Least Concern - LC (Temple & Terry, 2007).
Italy: Data Deficient - DD (Rondinini et al. 2013).
This species was only observed in Valdieri municipality, where single individuals were surveyed during hunting alongside the Gesso river between August and September. A temporary roost, used by at least 2 individuals, was found in a bridge in the same locality.