Distribution. SE California, Arizona, S Colorado, New Mexico, and perhaps S Utah and W Texas; distributional limits in NC Mexico are uncertain, considering it has been recorded only in several localities in Chihuahua and a disjunct site near Texcoco, in the Distrito Federal. in Vespertilionidae

Distribution. SE California, Arizona, S Colorado, New Mexico, and perhaps S Utah and W Texas; distributional limits in NC Mexico are uncertain, considering it has been recorded only in several localities in Chihuahua and a disjunct site near Texcoco, in the Distrito Federal.Published as part of Don E. Wilson & Russell A. Mittermeier, 2019, Vespertilionidae, pp. 716-981 in Handbook of the Mammals of the World – Volume 9 Bats, Barcelona :Lynx Edicions on page 929, DOI: 10.5281/zenodo.639775