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Rediscovery of the brown sac-wing bat, Balantiopteryx infusca (Thomas, 1897), in Ecuador

Abstract:

Until now, our knowledge of Balantiopteryx infusca has been limited to 5 specimens collected 100 years ago. In 1991, we netted this bat at the entrances of 2 railroad tunnels near the type locality in northwestern Ecuador. The sex ratio in our small samples favored females; we found no evidence of sexual dimorphism. We refine the designation of the type locality and comment on the original series of this bat collected by W. F. H. Rosenberg.