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Title: Cryptic diversity of Rhinolophus lepidus in South Asia and differentiation across a biogeographic barrier
Authors: Chattopadhyay, B. 
Kritika Garg 
Doss, D.P.S.
Vinothkumar, A.K.
Kandula, S.
Rheindt, F.E. 
Ramakrishnan, U.
Keywords: Cryptic species
Palghat gap
Peninsular india
Rhinolophus lepidus
Sibling species
Western ghats
Issue Date: 1-Jan-2021
Publisher: eScholarship
Citation: Chattopadhyay, B., Kritika Garg, Doss, D.P.S., Vinothkumar, A.K., Kandula, S., Rheindt, F.E., Ramakrishnan, U. (2021-01-01). Cryptic diversity of Rhinolophus lepidus in South Asia and differentiation across a biogeographic barrier. Frontiers of Biogeography 13 (4) : e49625. ScholarBank@NUS Repository.
Rights: Attribution 4.0 International
Abstract: Peninsular India is an important region for mammalian diversification and harbors major biogeographic barriers. However, little is known about the role of this region in the diversification of bats though it harbors high chiropteran diversity. In this study, we used phenotypic, acoustic, and genetic markers to assess the diversification of Rhinolophus lepidus bats in South Asia. We first investigated if peninsular India is associated with speciation of R. lepidus. Further, we tested if the Palghat Gap acts as a biogeographic barrier to gene flow in this species. Our results revealed cryptic genetic diversity in peninsular India suggesting that this region holds at least one endemic species level lineage of the R. lepidus species complex. Analyses of populations of R. lepidus across the Palghat Gap in the Western Ghats revealed clinal variation in phenotype, with bats south of this barrier being bigger and emitting echolocation calls of higher frequency. We also observed that populations on either side of the Palghat Gap have remained genetically isolated since the mid-Holocene. © the authors, CC-BY 4.0 license
Source Title: Frontiers of Biogeography
ISSN: 1948-6596
DOI: 10.21425/f5fbg49625
Rights: Attribution 4.0 International
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