Mass: 12.9 g based on LaVal 1969, Sanchez Hernandez et al. 1985, Motta Junior and Taddei 1992 and Patterson et al. 1996
Latitudinal range: -30.0° to 21.0°Habitats: tropical/subtropical moist broadleaf forest (3), tropical/subtropical savanna (2), tropical/subtropical dry broadleaf forest (11)
Found in 16 samples
Belize: Lamanai
Bolivia: Estación Biológica Tunquini, Beni Biological Station–Biosphere Reserve (forest islands)
Brazil: Pousada das Araras, Ilha da Marambaia, Morro de São João, Middle São Francisco River, Estação Ecológica de Fechos, Quinta da Boa Vista, Base (wet season), Osório Wind Farm
Mexico: Country Club Campestre
Paraguay: Base Naval Pedro P. Pena, Estancia Loma Pora, Estancia Samaklay
Peru: Reserva Nacional Allpahuayo-Mishana
| ♂ body mass | 10.8 g | N = 1 | LaVal 1969 |
| ♂ body mass | 12.0 g | N = 1 | Sanchez Hernandez et al. 1985 |
| body mass | 14.3 g | N = 1 | Motta Junior and Taddei 1992 |
| body mass | 15.0 g | N = 1 | Motta Junior and Taddei 1992 |
| body mass | 12.7 g | N = 1 | Patterson et al. 1996 |
See also Lasiurus, Lasiurus blossevillii, Lasiurus borealis, Lasiurus cinereus, Lasiurus egregius, Lasiurus intermedius, Lasiurus seminolus, Lasiurus sp., Lasiurus xanthinus