Abstract
A new bush frog species, Raorchestes cangyuanensis sp. nov., from Cangyuan, Yunnan Province, China, is described based on morphological and molecular analyses. It differs from all known congeners by a combination of the following characters: body size small, adult snout-vent length (SVL) 16.1-20.0 mm in males (n=3); tympanum indistinct; tips of all fingers and toes expanded into discs with circummarginal grooves; rudimentary webbing between toes; fingers and toes with lateral dermal fringes; inner and outer metacarpal tubercles present; heels meeting when limbs held at right angles to body; crotch with a distinct black patch; discs of fingers and toes orange; male with external single subgular vocal sac and reddish nuptial pad at the base of first finger.
Highlights
A new bush frog species, Raorchestes cangyuanensis sp. nov., from Cangyuan, Yunnan Province, China, is described based on morphological and molecular analyses
Several cryptic and new species of amphibians have been described (Chen et al, 2017, 2018; Li et al, 2018; Lyu et al, 2019; Wang et al, 2019; Yang et al, 2016; Yang & Chan, 2018; Yu et al, 2019; Yuan et al, 2018). These results suggest that the rich amphibian diversity in the region still remains underestimated
During fieldwork in Cangyuan, Yunnan Province, southwestern China, we collected specimens that superficially resembled R. menglaensis, R. longchuanensis, and R. parvulus, which potentially occur in this region
Summary
A new species of the genus Raorchestes (Anura: Rhacophoridae) from Yunnan Province, China. Nov., from Cangyuan, Yunnan Province, China, is described based on morphological and molecular analyses. It differs from all known congeners by a combination of the following characters: body size small, adult snout-vent length (SVL) 16.1–20.0 mm in males (n=3); tympanum indistinct; tips of all fingers and toes expanded into discs with circummarginal grooves; rudimentary webbing between toes; fingers and toes with lateral dermal fringes; inner and outer metacarpal tubercles present; heels meeting when limbs held at right angles to body; crotch with a distinct black patch; discs of fingers and toes orange; male with external single subgular vocal sac and reddish nuptial pad at the base of first finger. The high density of recently described species in other regions suggests that cryptic lineages may exist in more
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