Lasiurus cinereus (Beauvois, 1796) . Cat. Raisonne Mus. Peale Philadelphia, p. 18.

TYPE LOCALITY: USA, Pennsylvania, Philadelphia .

DISTRIBUTION: Colombia and Venezuela to C Chile, Uruguay, and C Argentina; Hawaii (USA); Guatemala and Mexico throughout the USA to S British Columbia, SE Mackensie, Hudson Bay and S Quebec (Canada); Galapagos; Bermuda; accidental on Cuba, Hispaniola, Iceland, and the Orkney Isis (Scotland).

STATUS: U.S. ESA - Endangered as L. c. semotus.

SYNONYMS: brasiliensis, grayi, mexicana, pallescens, pruinosus, semotus, villosissimus .

COMMENTS: Subgenus Lasiurus . Includes villosissimus, and semotus; see Sanborn and Crespo (1957:12), who revised the species. See Shump and Shump (1982b, Mammalian Species, 185).