Evolutionary history of Caribbean species of Myotis, with evidence of a third Lesser Antillean endemic

Roxanne J. Larsen, Peter A. Larsen, Hugh H. Genoways, Francois M. Catzeflis, Keith Geluso, Gary G. Kwiecinski, Scott C. Pedersen, Fernando Simal, Robert J. Baker

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

Currently, four species of Myotis are known from the islands of the Caribbean (Myotis dominicensis, M. martiniquensis, M. nesopolus, and M. nigricans). Myotis dominicensis and M. martiniquensis are endemic to the Lesser Antilles, whereas M. nesopolus and M. nigricans are considered conspecific with mainland populations. Recent phylogenetic and phylogeographic studies provided hypotheses regarding the origin and diversification of M. dominicensis and M. martiniquensis. However, these studies focused primarily on convergent morphology or distribution patterns of this genus and not on the evolutionary history of Caribbean Myotis. Here, we explore variation across multiple datasets generated from Caribbean Myotis. We present morphologic and genetic (mitochondrial and nuclear) data from an extensive sample of Caribbean Myotis species, including the previously unsampled taxa M. martiniquensis nyctor and M. nesopolus. Our data indicate that the historically recognized subspecies M. m. nyctor is genetically and morphologically distinct from M. martiniquensis, warranting recognition of a third Caribbean endemic- Myotis nyctor. Moreover, we provide evidence of unrecognized species-level variation in Caribbean and northern South American populations of Myotis.

Original languageEnglish (US)
Pages (from-to)124-134
Number of pages11
JournalMammalian Biology
Volume77
Issue number2
DOIs
StatePublished - Mar 2012
Externally publishedYes

Bibliographical note

Funding Information:
We thank S. Hoofer and the late M. Knapp for helping develop primers presented herein. C.D. Phillips and C.J. Phillips provided helpful comments and suggestions that improved this manuscript. P. Freeman and C. Lemen (University of Nebraska State Museum) assisted with collecting voucher specimens and tissues on Tobago. Collecting permits for Myotis martiniquensis on Martinique were obtained by FMC from the Direction Regionale de l’Environnement (DIREN, Martinique). We thank S.A. Devonish (Barbados Ministry of Energy and the Environment) for approving our research and permits; M.O. Trotman (Ministry of Agriculture) provided export permit assistance; S. Wellington (Natural Heritage Department) was indispensable for local logistics; and J. Horrocks (University of the West Indies) provided logistical and technical assistance. S. Petit assisted with establishing contacts on Bonaire. We thank staff and personnel from the Washington Slagbaai National Park and the Natural and Historic Resources Unit on Bonaire for tissue collection. The following individuals provided voucher specimens and/or tissues reported herein: S. McLaren and J. Wible (CM), N. Simmons and E. Westwig (AMNH), and H. Garner and K. MacDonald (TTU). Financial support was provided by the Biological Database Program at TTU . Fieldwork on Tobago was supported by a Collaborative Grant by the Research Services Council at the University of Nebraska at Kearney.

Keywords

  • AFLPs
  • Lesser Antilles
  • Myotis dominicensis
  • Myotis martiniquensis
  • Myotis nesopolus
  • Myotis nyctor

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