The lesser long-eared bat is recorded in Victoria, southeastern Australia. It roosts in tree hollows and buildings and has long ears.
The Victorian guide lists its smaller size as one way to distinguish it from Gould's long-eared bat. The latter's T-shaped nose leaf is also used for identification.
The Victorian guide records roosts in tree hollows and buildings. It describes the bat's flight as slow to moderate.
An extinction-risk assessment has not been added yet.