Eumops glaucinus (Wagner, 1843)

Don E. Wilson & Russell A. Mittermeier, 2019, Molossidae, Handbook of the Mammals of the World – Volume 9 Bats, Barcelona: Lynx Edicions, pp. 598-672 : 632

33.

Wagner's Bonneted Bat

Eumops glaucinus

French: Eumope de Wagner / German: \Wagner-Bulldogfledermaus / Spanish: Eumops de Wagner

Taxonomy. Dysopes glaucinus Wagner, 1843 ,

“Cuyaba [= Cuiaba],” Mato Grosso, Brazil.

Eumops ferox , E. floridanus , and E. wilson: were formerly classified as subspecies of E. glaucinus but are distinct species here based on morphological and molecular differences. Monotypic.

Distribution. E Andes in Colombia, Venezuela, S Guyana, W, C & S Brazil, N & E Bolivia, Paraguay, and N Argentina.

Descriptive notes. Head—body 83-91 mm, tail 48-61 mm, ear 20-25 mm, hindfoot 13-20 mm, forearm 54-63 mm; weight 29-42 g. See general characteristics of the genus under the Black Bonneted Bat ( E. auripendulus ). Dorsal pelage of Wagner’s Bonneted Bat is cinnamon-brown, with hairs being pale at bases. Albinism has been reported. Lips are not wrinkled. Ears do not extend past nose. Snout is elongated, with no noseleaf. Tragus is small (4-5 mm) and square-shaped. Chromosomal complement is 2n = 40 and FN = 64.

Habitat. Tropical humid forest, pre-montane dry forest, and urban areas.

Food and Feeding. Stomach contents of Wagner’s Bonneted Bats from Bolivia contained insects including damselflies (Zygoptera), crickets ( Gryllidae ), and water scavenger beetles (Hydrophylidae).

Breeding. Wagner’s Bonneted Bats were pregnant in April and June in Guyana and September in Bolivia.

Activity patterns. Wagner's Bonneted Bats roost in tree hollows and under roofs.

Movements, Home range and Social organization. Colonies of Wagner’s Bonneted Bats usually have one male and several females, suggesting a harem-based social structure.

Status and Conservation. Classified as Least Concern on The IUCN Red List.

Bibliography. Aguirre & de Urioste (1994), Anderson (1997), Barquez et al. (1993), Best, Kiser & Rainey (1997), Eger (2008), Handley (1976), Sodré et al. (2004).

Figures

22. Big Crested Mastiff Bat (Promops centralis), 23. Davison’s Mastiff Bat (Promops davisoni), 24. Brown Mastiff Bat (Promops nasutus), 25. Black Bonneted Bat (Eumops auripendulus), 26. Common Dwarf Bonneted Bat (Eumops bonariensis), 27. Chimera’s Bonneted Bat (Fumops chimaera), 28. Chiribaya’s Bonneted Bat (Eumops chiribaya), 29. Big Bonneted Bat (Eumops dabbener), 30. Delta Bonneted Bat (Eumops delticus), 31. Fierce Bonneted Bat (Fumops ferox), 32. Florida Bonneted Bat (FEumops floridanus), 33. Wagner's Bonneted Bat (Fumops glaucinus), 34. Sanborn’s Bonneted Bat (Eumops hansae), 35. Guianan Bonneted Bat (Eumops maurus), 36. Northern Dwarf Bonneted Bat (Fumops nanus), 37. Patagonian Dwarf Bonneted Bat (Eumops patagonicus), 38. Western Bonneted Bat (Eumops perotis), 39. Trumbull’s Bonneted Bat (Eumops trumbulli), 40. Underwood’s Bonneted Bat (Eumops underwoodi), 41. Wilson’s Bonneted Bat (Eumops wilsoni)

Distribution. E Andes in Colombia , Venezuela , S Guyana , W, C & S Brazil , N & E Bolivia , Paraguay , and N Argentina .