云南西部克钦湍蛙的鉴定与描述及克钦湍蛙在中国的分布讨论

Identification and Description of an Amolops afghanus Population Distributed in Western Yunnan,and Discussion on Distribution of Amolops afghanus in China

2018年9月在云南省德宏傣族景颇族自治州采到14号湍蛙属 Amolops 标本,雄性体长46.4~56.5 mm( n =9),雌性体长74.7~89.7 mm( n =5),个体明显大于西域湍蛙 Amolops marmoratus ,线粒体基因 16S rRNA 序列与西域湍蛙序列的平均遗传距离为12.61%,与克钦湍蛙 Amolops afghanus 的平均遗传距离为0.05%。通过形态学及分子生物学方面的对比研究,确定为克钦湍蛙,并对克钦湍蛙在中国的分布情况进行了讨论。

Fourteen specimens belonging to the genus Amolops were collected from western Yunnan, China in September 2018. The snout-vent length (SVL) of male individuals ranged from 46.4-56.5 mm ( n =9), and the females ranged from 74.7-89.7 mm ( n =5). Their body sizes were significantly larger than A. marmoratus . Based on mitochondrial 16S rRNA sequence, these specimens had 12.61% of average genetic distance with A. marmoratus ,and 0.05% with A. afghanus . Morphometrical comparison and molecular analysis determined that these specimens should be A. afghanus , and the detailed description of A. afghanus identified in the current study was provided. In addition, the distribution of A. afghanus in China was discussed.