A new toad of Oreolalax Myers & Leviton, 1962 (Anura, Megophryidae) from Sichuan Province, southwest China

A new species of the genus <i>Oreolalax</i> Myers & Leviton, 1962 is described from Sichuan Province, southwest China. Molecular phylogenetic analyses based on mitochondrial gene sequences clustered the new species as an independent clade nested with <i>O.rugosus</i>, <i>O.liangbeiensis</i>, and <i>O.major</i>. The new species could be distinguished from its congeners by a combination of the following characters: body size moderate (39.8-52.8 mm in male); head broad; tympanum absent; interorbital region with dark triangular pattern; 1/3 toes webbed, with broad lateral fringes, belly smooth, brown yellow or medium yellow scattered variable brown spots; skin on dorsum relatively rough with fine tiny and large warts granules; middle pectoral glands are evident in males; flanks with dark-brown warts granules; upper surface of limbs with dark bars; and iris orange above and creamy-white below. The new species inhabits subtropical alpine scrub and swamp.