This small bat occurs at the southern end of the Baja California Peninsula, Mexico. Its fur is pale, with reddish backs in the brighter color phase. It has been recorded at Las Cuevas cave in southern Baja.
The 1928 account describes a small, pale bat. Individuals in the brighter color phase are more reddish above, approaching clay color.
At Las Cuevas in southern Baja California, it has been recorded with other bats at a cave roost.
An extinction-risk assessment has not been added yet.