Mass: 8.3 g based on Jones Jr 1964, Barquez et al. 1999, Bernard 2001, Patterson et al. 1996, and Stephan et al. 1981
Diet: insectivore based on Patterson et al. 1996, Ochoa et al. 2000, Bernard 2002, Van Cakenberghe et al. 2002, Freeman and Lemen 2010, and Shapiro and Bordignon 2014
Abundance: 0.08 to 9.22% (median 0.84%)
Latitudinal range: -23.1° to 10.4°Habitats: tropical/subtropical dry broadleaf forest (8), tropical/subtropical moist broadleaf forest (5), tropical/subtropical savanna (2)
Found in 15 samples
Brazil: Ilha da Marambaia, Biological Dynamics of Forest Fragments Project Reserves 1501 and 1401, Una (forests), Viseu, Middle São Francisco River, Una (cabrucas), Estação Ecológica de Fechos, Caju Private Natural Heritage Reserve
Colombia: Montería, Chorrillo, Tinije
Paraguay: Parque Nacional Serrania San Luis
Peru: Reserva Nacional Allpahuayo-Mishana
Venezuela: Monumento Natural Pico Codazzi (nivel bajo), Monumento Natural Pico Codazzi (nivel medio)
| ♂ body mass | 7 g | N = 1 | Jones Jr 1964 |
| ♂ body mass | 7.5 g | N = 1 | Jones Jr 1964 |
| body mass | 5.9 g | N = 5 | Barquez et al. 1999 |
| body mass | 10.0 g | N = 3 | Bernard 2001 |
| body mass | 11.6 g | N = 1 | Patterson et al. 1996 |
| body mass | 9.1 g | N = 13 | Stephan et al. 1981 |
| skull length | 15.5 mm | N = 1 | Osgood 1915 |
| skull width | 10.1 mm | N = 1 | Osgood 1915 |
| upper tooth row length | 5.7 mm | N = 1 | Osgood 1915 |
See also Eptesicus, Eptesicus andinus, Eptesicus campanensis, Eptesicus chiriquinus, Eptesicus diminutus, Eptesicus furinalis, Eptesicus fuscus, Eptesicus gobiensis, Eptesicus grandis, Eptesicus hottentotus, Eptesicus nilssonii, Eptesicus serotinus, Eptesicus sp.