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Article
Published: 2021-08-13

A new species of small Eptesicus Rafinesque (Chiroptera: Vespertilionidae) from northern South America

Grupo de Investigación GEBIOME, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10 Apartado Aéreo 275 Manizales, Caldas, Colombia. entro de Museos, Museo de Historia Natural, Universidad de Caldas, Manizales, Colombia.
Grupo de Fauna, Programa de Ecosistemas y Recursos Naturales, Instituto Amazónico de Investigaciones Científicas SINCHI., Avenida Vásquez Cobo entre calles 15 y 16 Leticia, Colombia. Grupo Biodiversidad y Conservación Genética, Instituto de Genética, Universidad Nacional de Colombia, and Grupo en conservación y manejo de vida silvestre, Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Carrera 45 No 26-85, Bogotá, Colombia.
Institución Educativa Agroindustrial Monterilla, Caldono – Cauca, Colombia.
Grupo de Investigación GEBIOME, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10 Apartado Aéreo 275 Manizales, Caldas, Colombia.
Grupo de Investigación GEBIOME, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10 Apartado Aéreo 275 Manizales, Caldas, Colombia.
Grupo de Investigación GEBIOME, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10 Apartado Aéreo 275 Manizales, Caldas, Colombia.
Grupo de Investigación GEBIOME, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10 Apartado Aéreo 275 Manizales, Caldas, Colombia. Doctorado en Ciencias – Biología, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Manizales, Caldas, Colombia.
Grupo de Investigación GEBIOME, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10 Apartado Aéreo 275 Manizales, Caldas, Colombia.
Mammalia Cytochrome-b Eptesicus diminutus Eptesicus furinalis morphometrics Orinoco South America

Abstract

Eptesicus diminutus Osgood, 1915 is the smallest species of the subgenus Eptesicus found in South America. It has a discontinuous distribution, with northern populations in Colombia and Venezuela, and southern populations in Argentina, Brazil, Paraguay, and Uruguay. We reviewed specimens assigned to the northern populations of E. diminutus and compared them to these from the southern populations. Based on morphologic, morphometric, and molecular analyses, we support the recognition of the northern populations of E. diminutus as a new species. This new species is distributed in the Llanos of the Orinoco region in Colombia and Venezuela (and likely in Guyana). Eptesicus sp. nov. is morphologically similar to E. diminutus and E. furinalis, from which it can be distinguished by its intermediate size. This taxon increases to 11 the number of species of bats of the subgenus Eptesicus in South America.

 

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