Idionycteris phyllotis (G. M. Allen, 1916) . Bull. Mus. Comp. Zool., 60:352.

TYPE LOCALITY: Mexico, San Luis Potosi .

DISTRIBUTION: Distrito Federal (Mexico) to S Utah and S Nevada (USA).

SYNONYMS: mexicanus .

COMMENTS: Formerly included in Plecotus; see Williams et al. (1970). See Czaplewski (1983, Mammalian Species, 208).