Amolops bellulus: A new species of stream-breeding frog from western Yunnan, China (Anura : Ranidae)

We describe a new species of stream-breeding frog of the genus Amolops, Amo lops bellulus, from the mountainous region of Lushui County, Yunnan Provinc e, China, near the boundary between Yunnan and Myanmar. This species differ s from all its congeners in a combination of morphological characteristics including the absence of a circummarginal groove at the tip of first finger , lack of a supratympanic fold, a white band along the upper jaw extending to shoulder, a black band starting from tip of snout along upper loreal reg ion and extending to anterior flank of body, absence of a vocal sac, tympan um distinct and feebly concave, and the presence of vomerine teeth.