The Alashanian pipistrelle is a small vespertilionid bat. It ranges across Mongolia and East Asia; roosts have been confirmed in urban Hokkaido, Japan.
This is a small vespertilionid bat. A Japanese study identified specimens from Otaru using external and cranial characteristics.
A daytime roost was found in a building at the Otaru Museum, and foraging was recorded at Hokkaido University in Sapporo. The authors suggested it may use urban environments.
An extinction-risk assessment has not been added yet.