Description of a new species of Music frogs (Anura, Ranidae, Nidirana) from Mt Dayao, southern China
A new species of Music frogs, Nidirana yaoica sp. nov. is described based on a series of adult male specimens collected from Mt Dayao, Guangxi, southern China, providing valuable new information on the phylogeny, bioacoustics, and biogeography of related species within the genus Nidirana. The new species forms the sister taxon to N. daunchina from western China and together the sister taxon to N. chapaensis from northern Vietnam. Nidirana yaoica sp. nov. can be distinguished from all known congeners by a significant genetic divergence in the mitochondrial 16S and CO1 genes, the advertisement call containing 1–3 rapidly repeated regular notes, and the combination of morphological characteristics including a medium-sized body with SVL 40.4–45.9 mm in adult males; lateroventral grooves on every digit, not meeting at the tip of disk; tibio-tarsal articulation reaching the nostril; the presence of a pair of subgular vocal sacs in males; and one single developed nuptial pad on dorsal surface of first finger in males.
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