Pipistrellus (Pipistrellus) hesperus H. Allen 1864

Wilson, Don E. & Reeder, DeeAnn, 2005, Order Chiroptera - Family Vespertilionidae, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1, Baltimore: The Johns Hopkins University Press, pp. 451-529 : 475

Pipistrellus (Pipistrellus) hesperus H. Allen 1864

Pipistrellus (Pipistrellus) hesperus H. Allen 1864 , Smithson. Misc. Coll., 7: 43.

Type Locality: USA, California, Imperial Co., Old Fort Yuma.

Vernacular Names: Western Pipistrelle.

Subspecies: :

Subspecies Pipistrellus (Pipistrellus) hesperus subsp. hesperus H. Allen 1864

Subspecies Pipistrellus (Pipistrellus) hesperus subsp. maximus Hatfield 1936

Distribution: Washington to SW Oklahoma ( USA), and Baja California, south to Hidalgo and Guerrero ( Mexico).

Conservation: IUCN 2003 and IUCN / SSC Action Plan (2001) – Lower Risk (lc).

Discussion: Subgenus Pipistrellus . See Hall (1981). Placed in Hypsugo by Koopman (1993), but here retained in Pipistrellus pending further study.