State Key Laboratory of Genetic Resources and Evolution State, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming Yunnan 650223, China Kunming College of Life Science, University of the Chinese Academy of Sciences, Kunming Yunnan 650204, China.
Zootaxa. 2021 Mar 31;4950(3):zootaxa.4950.3.6. doi: 10.11646/zootaxa.4950.3.6.
Combining the results from morphological and molecular analyses, we explore the taxonomy of the genus Achalinus from Southwest China. As a result, we describe two new species, A. panzhihuaensis sp. nov. and A. yangdatongi sp. nov. from southern Sichuan and southern Yunnan provinces, respectively, and we record a new country record, A. emilyae, from Guangxi Zhuang A. R.. The mitochondrial genealogy suggests that A. panzhihuaensis sp. nov. is sister to A. meiguensis, while A. yangdatongi sp. nov. clusters with the sister species A. juliani and A. ater. Both new species show considerable genetic divergence from their recognized congeners (uncorrected p-distance 6.2 % in COI gene). Furthermore, both new species can be diagnosed from closely related congeners by a combination of pholidosis characters. With our discovery, we provide a revised key to the 13 species from China and discuss some of the remaining issues regarding the taxonomy of the genus in China.
结合形态学和分子分析的结果，我们探索了来自中国西南地区的 Achalinus 属的分类学。结果，我们分别描述了来自四川省南部和云南省南部的两个新种，即 Panzhihuaensis sp. nov. 和 Yangdatongi sp. nov.，并记录了一个新的国家记录，即来自广西壮族自治区的 Emilyae。线粒体系统发育表明，Panzhihuaensis sp. nov. 与 Meiguensis 是姐妹种，而 Yangdatongi sp. nov. 与姐妹种 Juliani 和 Ater 聚类。这两个新种与公认的近缘种表现出相当大的遗传分化（COI 基因未校正的 p 距离为 6.2%）。此外，这两个新种可以通过鳞片状特征的组合与亲缘关系较近的近缘种区分开来。通过我们的发现，我们提供了一个修订的中国 13 种的关键，讨论了中国该属分类学中一些尚存的问题。
