Abstract
We present new records for the disk-winged bats Thyroptera tricolor and T. devivoi in central and northern Brazil. Records of T. tricolor are from Aripuanã, Usina Hidrelétrica (UHE) Colíder (both in the northern Mato Grosso state) and Santana do Araguaia (southern Pará state). New records of T. devivoi are from a Cerrado area in the Rio Manso, Rio Quilombo (both in Mato Grosso state) and from an Amazon rainforest area at Juruti (Pará state). The records of Thyroptera devivoi for Pará and Mato Grosso are the first ones for these states and the records from the latter are based on two specimens previously identified as T. discifera. Based on the new identifications, we argue that T. discifera does not occur in the Cerrado.
Highlights
The genus Thyroptera Spix, 1823 includes five extant species of disk-winged bats: Thyroptera devivoi Gregorin, Gonçalves, Lim & Engstrom, 2006; Thyroptera discifera (Lichtenstein & Peters, 1854); Thyroptera lavali Pine, 1993; Thyroptera tricolor Spix, 1823; and Thyroptera wynneae Velazco, Gregorin, Voss & Simmons, 2014 (Velazco et al, 2014; Lee Jr., 2019)
We present six new records of Thyroptera tricolor and T. devivoi for the southern Brazilian Amazonia, extending the known distribution of both species, and we comment on the presence of T. discifera in the Cerrado
The second specimen of T. tricolor is from Fazenda Fartura in Santana do Araguaia (9° 37’ 41” S, 50° 29’ 42” W, 180 m), Mato Grosso state
Summary
The genus Thyroptera Spix, 1823 includes five extant species of disk-winged bats: Thyroptera devivoi Gregorin, Gonçalves, Lim & Engstrom, 2006; Thyroptera discifera (Lichtenstein & Peters, 1854); Thyroptera lavali Pine, 1993; Thyroptera tricolor Spix, 1823; and Thyroptera wynneae Velazco, Gregorin, Voss & Simmons, 2014 (Velazco et al, 2014; Lee Jr., 2019). In Brazil, it has an apparent disjunct distribution, with records in the Amazonia (Amazonas, Acre, Maranhão, Rondônia, Roraima, and Pará states) and in the Atlantic Forest (Bahia, São Paulo, Paraná, Rio de Janeiro, and Espírito Santo states) (Esbérard et al, 2007; Wilson, 2008; Passos et al, 2010; Castro & Michalski, 2015; Tavares et al, 2017). Thyroptera tricolor commonly roosts in the young rolled leaves of Heliconia (Heliconiaceae) and may occasionally use leaves of other plants as roosts, such as Calathea (Marantaceae), Phenakospermum (Strelitziaceae), and Musa (Musaceae) (Goodwin & Greenhall, 1961; Wilson & Findley, 1977; Lee Jr., 2019)
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