A New Species of the Genus Hebius Thompson,1913(Serpentes:Natricidae)from Yunnan,China  

作　　者：Shun MA Shengchao SHI Budian AYI Jianping JIANG 

机构地区：[1]Chengdu Institute of Biology,Chinese Academy of Sciences,Chengdu 610041,Sichuan,China [2]University of Chinese Academy of Sciences,Beijing 100049,China [3]College of Life Sciences,Sichuan University,Chengdu 610065,Sichuan,China [4]Mangkang Biodiversity and Ecological Station,Tibet Ecological Safety Monitor Network,Changdu 854500,Tibet,China

出　　处：《Asian Herpetological Research》2023年第3期212-226,共15页亚洲两栖爬行动物研究（英文版）

基　　金：supported by the Second Tibetan Plateau Scientific Expedition and Research Program (STEP, 2019QZKK05010503);the China Biodiversity Observation Networks (Sino BON);the support of CIB Herpetological Museum

摘　　要：A new keelback snake of the genus Hebius,H.jingdongensis sp.nov.,is reported from Jingdong in Yunnan,China based on a combination of molecular and morphological evidence.Although closest to H.khasiensis and H.boulengeri phylogenetically,this new species is genetically distinct amongst congeners with the mitochondrial Cyt b uncorrected p-distance ranging from 9.5%(vs.H.octolineatus)to 14.8%(vs.H.andreae).In addition,this new species can be distinguished from its congeners by a combination of the following morphological characters:(1)body cylindrical,tail relatively short,TaL/TL 0.235–0.243;(2)dorsal scale rows 19-19-17;(3)ventrals 163–166,cloacal plate divided,subcaudals 71–74 pairs;(4)supralabials 8,the first two contact with the nasals;(5)infralabials 9 or 10,preocular 1,postoculars 3;(6)body dorsum sandy beige with the sides yellowish-brown decorated with two brick-red stripes on the dorsolateral scale rows in life;(7)sutures between the labials brick-red in life and taupe in preservative;(8)ventral light yellow with the outer part of each scale brick-red in life;(9)ventrolateral stripes present.

关 键 词：Hebius jingdongensis sp.nov. molecular phylogeny morphology taxonomy Yunnan province 

分 类 号：Q959.6[生物学—动物学]