The southern red bat (Lasiurus blossevillii)[1] is a species of microbat found in South America.

[2] Previously, the western red bat (L. frantzii) was classified as a subspecies of the southern red bat, but phylogenetic evidence supports it being a distinct species.

This has been followed by the American Society of Mammalogists and the ITIS.

[3][4] It was named after French explorer Jules de Blosseville.

[5] The species is recorded in Argentina, Bolivia, Brazil, Colombia, Ecuador (Galápagos Islands), French Guiana, Guyana, Paraguay, Peru, Suriname, Trinidad and Tobago, Uruguay and Venezuela.