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Abstract
A new species of Acanthosaura from Yunnan, China, is described based on morphological and genetic data. The new species can be separated from all other species of the genus by having a different shape of the black eye patch, a different coloration of the postorbital and occipital spines and nuchal crest, and a different color of the gular pouch. Genetically, uncorrected sequence divergences of COI between the new species and investigated congeners ranged from 16.12% to 24.11%. The conservation status of the new species is also discussed.
Highlights
The genus Acanthosaura (Gray, 1831) occurs from northeastern India and southern China through Vietnam, Laos, Myanmar, Thailand, Cambodia, the Malay Peninsula and adjacent archipelagos to Sumatra, and the Anambas and Natunas archipelagos (Smith 1935; Taylor 1963; Manthey and Grossmann 1997; Leong et al 2002; Grismer et al 2006, 2008a, 2008b, 2011; Manthey 2008; Wood et al 2010; Uetz et al 2020)
During fieldwork in Honghe Autonomous Prefecture, Yunnan Province, China, some lizards were collected. They had medium-sized bodies, postorbital and occipital spines, a black nuchal collar, and black eye patches, so it can be judged that they belong to the genus Acanthosaura (Gray 1831; Zhao et al 1999; Manthey 2008; Yang and Rao 2008)
All results indicated that the new species is a separate taxon in the genus Acanthosaura with weak (BI and Maximum likelihood (ML)) or strong support (MP)
Summary
The genus Acanthosaura (Gray, 1831) occurs from northeastern India and southern China through Vietnam, Laos, Myanmar, Thailand, Cambodia, the Malay Peninsula and adjacent archipelagos to Sumatra, and the Anambas and Natunas archipelagos (Smith 1935; Taylor 1963; Manthey and Grossmann 1997; Leong et al 2002; Grismer et al 2006, 2008a, 2008b, 2011; Manthey 2008; Wood et al 2010; Uetz et al 2020). Most species were described recently, and the diversity of this genus may still be underestimated. During fieldwork in Honghe Autonomous Prefecture, Yunnan Province, China, some lizards were collected. They had medium-sized bodies, postorbital and occipital spines, a black nuchal collar, and black eye patches, so it can be judged that they belong to the genus Acanthosaura (Gray 1831; Zhao et al 1999; Manthey 2008; Yang and Rao 2008). Morphological and molecular data showed that this population is clearly distinct from all other named species, and it is described and illustrated
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