A New Species of Anoura Gray, 1838 (Chiroptera: Phyllostomidae) from Peru, with Taxonomic and Biogeographic Comments on Species of the Anoura caudifer Complex

Victor Raul Pacheco Torres, Pamela Sánchez-Vendizú, Sergio Solari

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4 Scopus citations

Abstract

Anoura is a Neotropical genus of long-tongued bats containing at least 10 species, whose taxonomy has been revised substantially in recent years. Herein, we describe a new species of Anoura from the Cordillera Oriental of the Peruvian Andes, inhabiting montane forests (Yungas) at 1900-3450 m altitude, along the Río Cosñipata valley in Manu Biosphere Reserve, Cuzco; where it is sympatric with A. peruana, A. cultrata, and A. caudifer. This new species is most similar to A. caudifer and A. aequatoris, but it is distinguished from them by a unique combination of morphological characters: pelage dark; uropatagium narrow with margins densely furred; foot claws whitish; skull with a long and narrow rostrum; zygomatic arches complete and straight (in lateral view); posterolateral margins of palate without processes; braincase smoothly rounded; first upper premolar (P2) peg-like and separated from the upper canine by a wide gap; second upper premolar (P3) without anterobasal cusp; mandible long, straight, thin and delicate with a large symphysis. Principal Component Analysis separated well the new species from A. aequatoris and A. caudifer. In MANOVA analyses, followed by Bonferroni post-hoc test, the new species differed significantly from A. aequatoris and A. caudifer in six and 11 characters, respectively. The new species and A. aequatoris have montane distributions, whereas A. caudifer occurs at lower elevations. In Peru, the new species and A. aequatoris show disjunct distributions: the former in the central and southern regions, and the latter in the north-central region of the country. This suggests a vicariant effect probably related to the deep Río Apurímac. Finally, we comment on the taxonomy of the A. caudifer complex, discuss the biogeographical implications of the discovery of the new species, and suggest the recognition of a new region of endemism for small mammals in the southern Yungas, south of the Río Apurímac to Bolivia.

Original languageEnglish
Pages (from-to)31-50
Number of pages20
JournalActa Chiropterologica
Volume20
Issue number1
DOIs
StatePublished - Jun 2018
Externally publishedYes

Bibliographical note

Funding Information:
We thank the Instituto Nacional de los Recursos Naturales (INRENA) for permission to work at the Zona Cultural del Parque Nacional Manu, and to C. Pacheco, K. Young, B. León, A. Cano, and D. Aguilar for help during fieldwork. Fieldwork was supported by the Pew Charitable Fund, MacArthur Found - ation to K. Young and B. León, by a SEACON grant of the Chicago Zoological Society to S. Solari, and by an NSF grant to B. D. Patterson, Douglas F. Stotz, and J. W. O. Ballard (DEB-9870191). We thank K. Young, B. León, N. Huapaya and A. Cano for the description of the habitat. We thank B.D. Patterson of the Field Museum, L. Albuja of the Museo de Historia Natural Gustavo Orce’s of the Escuela Politécnica Nacional, A. Camacho and S. Burneo of the Museo de Zoología of the Pontificia Universidad Católica del Ecuador for granting us access to the specimens housed at their institutions. Finally, we also thank J. Pacheco and J. Morales for enhancing the quality of the figures and to two anonymous reviewers for comments on the manuscript.

Keywords

  • Andes
  • bats
  • biogeography
  • Cusco
  • new species
  • Peru
  • taxonomy
  • Yungas

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