Thyroptera discifera (Lichtenstein & Peters, 1855)

Don E. Wilson & Russell A. Mittermeier, 2019, Thyropteridae, Handbook of the Mammals of the World – Volume 9 Bats, Barcelona: Lynx Edicions, pp. 418-423 : 422

2 .

Peters’s Disk-winged Bat

Thyroptera discifera

French: Thyroptére de Peters / German: Peters-Haftscheibenfledermaus / Spanish: Tiroptero de Peters

Taxonomy. Hynonycteris discifera Lichtenstein & Peters, 1855 ,

“Puerto Cabello (America Centralis).” Corrected by D. E. Wilson in 1976 to Puerto Cabello, Carabobo, Venezuela .

Thyroptera discifera is most closely related to T. tricolor . Previously recognized Central American subspecies abdita is not considered valid here. Monotypic.

Distribution. Scattered localities in Central America, including S Nicaragua, NE & SE Costa Rica, and C Panama, and South America from Colombia E & S to N & WC Brazil, E Peru, and N Bolivia.

Descriptive notes. Head—body c.41-47 mm, tail 27-35 mm, ear 13-5-14 mm, hindfoot 5-5-7 mm, forearm 32-2-34-2 mm. Greatest length ofskull 13-5-15-5 mm, condylo-incisive length 13-1-13-7 mm, rostral length 5-4-5-9 mm, zygomatic breadth 6-8-7-4 mm, and maxillary tooth rowlength 5-5-5-8 mm. Peters’s Disk-winged Bat is the smallest species of Thyroptera . Dorsal furis long, light brown, and not woolly; ventral furis unicolored brown to yellowish. There are wartlike structures on wing membranes. Forearm length is less than 38 mm. Thumbdisk is nearly round. Peters’s Disk-winged Bat does not have fossa-like concavity on I*. Calcar has only one lappet. Mesopterygoid fossa is U-shaped. Chromosomal complement has 2n = 32 and FN = 38.

Habitat. Evergreen forest and banana plantations. In Bolivia, Peters’s Disk-winged Bats werefound in mixed thermophileforests where one-quarterofthetrees were deciduous.

Food and Feeding. Peters’s Disk-winged Batis insectivorous.

Breeding. No information.

Activity patterns. Peters’s Disk-winged Bats roost in groups with young and adults of both sexes. In Bolivia day roosts are inside or under dead banana leaves. Thesesites are dark and open downward.

Movements, Home range and Social organization. Sex ratio in one Bolivian location was 4:10 (males/females).

Status and Conservation. Classified as Least Concern on The IUCNRed List. The Red Book of Ecuadorlists Peters’s Disk-winged Bat as data deficient.

Bibliography. Bezerra et al. (2005), Gregorin et al. (2006), Tirira (2017), Torres et al. (1988), Velazco et al. (2014), Wilson (1976, 1978).

Figures

Plate 33 Species Accounts

Distribution. Scattered localities in Central America, including S Nicaragua , NE & SE Costa Rica , and C Panama , and South America from Colombia E & S to N & WC Brazil , E Peru , and N Bolivia .