Myotis yumanensis (H. Allen, 1864) . Smithson. Mise. Coll., 7:58.

TYPE LOCALITY: USA, California, Imperial Co., Old Fort Yuma .

DISTRIBUTION: Hidalgo, Morelos and Baja California (Mexico) north to British Columbia (Canada), east to Montana and W Texas (USA).

SYNONYMS: durangae, Iambi, lutosus, obscurus, oxalis, phasma, saturatus, sociabilis.

COMMENTS: Subgenus Leuconoe . See comments under leibii and lucifugus .