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First Description of a Tent Used by Platyrrhinus helleri(Chiroptera: Phyllostomidae)

tyrrhinus Saussure (Chiroptera: Phyllostomidae) are found from southern Mexico south to southeastern Peru, Bolivia, Paraguay, Uruguay, and southern Brazil, where they live in mature and disturbed lowland rainforest, gardens, clearings and plantations, cloud forest, deciduous forest and Caatinga (Sanborn, 1955; Emmons and Feer, 1999). Ten species are commonly recognized in Platyrrhinus (Nowak, 1999), although a recent study has suggested that this number is an underestimate (Velazco, 2002). Heller’s broad-nosed bat, Platyrrhinus helleri Peters is the most common and widespread Platyrrhinus species (Nowak, 1999). This species ranges from southern Mexico southward to Central America, and South America to Peru, Bolivia, and Amazonian and Central Brazil, and Trinidad (Ferrell and Wilson, 1991). Platyrrhinus bats roost in caves or tunnels, culverts or under bridges, foliage or under branches, hollow trees, buildings, and under large leaves or palm fronds (Tuttle, 1976; Willig and Hollander, 1987; Ferrell and Wilson, 1991; Albuja, 1999; Nowak, 1999). Peracchi and Albuquerque (1971) observed smaller groups of P. lineatus roosting under leaves of the palm, Livistona oliviformis (Arecaceae), and larger groups roosting under Syagrus picrophylla (Arecaceae) leaves. Taddei (1973) observed eight individuals roosting beneath a Dracaena (Agavaceae) (approximately 3 m in height), and two individuals in a bromeliad (Bromeliaceae) 12 m off the ground. In Trinidad, Goodwin and Greenhall (1961) reported one individual of P. helleri roosting in a hollow olivier tree (Chuncoa obovata, Combretaceae) in association with Saccopteryx leptura Schreber, Micronycteris megalotis Gray, M. minuta Gervais, and Carollia perspicillata Linnaeus. They also reported two individuals roosting under leaves of the carat palm (Sabal glaucensens, Arecaceae). No detailed descriptions of the roosts have ever been published for any Platyrrhinus species. In this study we present the first description of the tent of P. helleri in an undisturbed lowland wet forest at Cocha Cashu Biological Station (11°54’S, Acta Chiropterologica, 5(2): 269–276, 2003 PL ISSN 1508-1109 © Museum and Institute of Zoology PAS