Nikolay A. Poyarkov, Tan Van Nguyen, Jian-Huan Yang, Vladislav A. Gorin. 2021: A new species of Micryletta (Amphibia: Anura: Microhylidae) from the Langbian Plateau in southern Vietnam. Zoological Research, 42(6): 726-733. DOI: 10.24272/j.issn.2095-8137.2021.228
Citation: Nikolay A. Poyarkov, Tan Van Nguyen, Jian-Huan Yang, Vladislav A. Gorin. 2021: A new species of Micryletta (Amphibia: Anura: Microhylidae) from the Langbian Plateau in southern Vietnam. Zoological Research, 42(6): 726-733. DOI: 10.24272/j.issn.2095-8137.2021.228

A new species of Micryletta (Amphibia: Anura: Microhylidae) from the Langbian Plateau in southern Vietnam

  • We report a new species of the genus Micryletta from the montane evergreen forest in the Bidoup-Nui Ba National Park, Lam Dong Province, Langbian Plateau, southern Vietnam, based on molecular and morphological evidence. The new species is diagnosed by a combination of the following morphological characters: body size small (snout-vent length (SVL) 22.4 mm, single female); iris uniform black; snout nearly truncate in dorsal view, slightly rounded in profile; tibiotarsal articulation of adpressed limb reaching level of eye; dorsal surface smooth; supratympanic fold present, prominent; outer metatarsal tubercle absent; tips of toes very weakly dilated into small discs; finger webbing absent, toe webbing rudimentary; dorsal surfaces of head and body orange-red with small irregularly shaped dark-brown patches; dorsal surface of limbs pale dark brown with small reddish speckles; body flanks dark brown anteriorly fading to grayish brown posteriorly with brown spots in groin area; lateral sides of head immaculate blackish brown without white patches; coloration of ventral surfaces immaculate dark gray. The new species is divergent from all other congeners in 16S rRNA gene sequences (2.6%–5.8%). Following the IUCN Red List Categories and Criteria, we propose the new species be listed as Data Deficient (DD).
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