Zening CHEN,Shengchao SHI,Jun GAO,et al.A New Species of Trimeresurus Lacépède, 1804 (Squamata: Viperidae) from Southwestern China, Vietnam, Thailand and Myanmar[J].Asian Herpetological Research(AHR),2021,12(2):167-177.[doi:10.16373/j.cnki.ahr.200084]
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A New Species of Trimeresurus Lacépède, 1804 (Squamata: Viperidae) from Southwestern China, Vietnam, Thailand and Myanmar
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Asian Herpetological Research[ISSN:2095-0357/CN:51-1735/Q]

2021 VoI.12 No.2
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A New Species of Trimeresurus Lacépède, 1804 (Squamata: Viperidae) from Southwestern China, Vietnam, Thailand and Myanmar
Zening CHEN12# Shengchao SHI12# Jun GAO34 Gernot VOGEL5 Zhaobin SONG1 Li DING2* Rong DAI34*
1 Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, Sichuan, China
2 Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, Sichuan, China
3 Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment of the People’s Republic of China, Nanjing 210042, Jiangsu, China
4 State Environmental Protection Key Laboratory of Biosafety, Ministry of Ecology and Environment of China, Nanjing 210042, Jiangsu, China
5 Society for Southeast Asian Herpetology, Im Sand 3, D-69115 Heidelberg, Germany
morphology phylogenetics taxonomy Trimeresurus
The pit vipers of the genus Trimeresurus Lacépède, 1804 is one of the largest groups of Asian snakes, distributed from India to China and Indonesia. Recent surveys in Jiangcheng and Simao, Yunnan Province, China resulted in a new species previously allocated to T. albolabris. Combining morphological and molecular data, we describe it as Trimeresurus guoi sp. nov. The new species morphologically differs from T. albolabris in the yellow green ventral color; an indistinct ventrolateral line; the absence of a postocular stripe; the firebrick-red iris; a dark red stripe on dorsal tail; hemipenes with relatively weak sparse papillae, reaching 23rd subcaudal when unextruded. Molecularly, the new species forms a clearly divergent lineage (BPP 1.00/ UFB 100). Uncorrected pairwise distances of mitochondrial gene Cyt b between the new species and other known species of the subgenus Trimeresurus range from 0.052 (T. albolabris) to 0.071 (T. insularis).


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Last Update: 2021-06-25