Ovophis zayuensis (JIANG, 1977)

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Higher Taxa	Viperidae, Crotalinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies
Common Names	E: Zayuan mountain pitviper G: Zayuan Grubenotter Chinese: 察隅烙铁头蛇
Synonym	Trimeresurus monticola zayuensis JIANG 1977 Ovophis monticola zayuensis — GOLAY et al. 1993 Ovophis monticola zayuensis — WELCH 1994: 95 Ovophis zayuensis — ZHAO 1995 Trimeresurus monticola zhaokentangi ZHAO 1995 Ovophis monticola zhaokentangi DAVID 1995 Ovophis monticola zayuensis — MCDIARMID, CAMPBELL & TOURÉ 1999: 319 Ovophis zayuensis — GUMPRECHT et al. 2004 Ovophis monticola zhaokentangi — GUMPRECHT et al. 2004 Ovophis zayuensis — GUO et al. 2006 Ovophis zayuensis — WALLACH et al. 2014: 514
Distribution	China (Xizang), elevation 1800-2100 m Type locality: Xizang, Zayü,elevation 1800 m zhaokentangi : China; Type locality: Bapo, Gongshan Co., Yunnan Province, China, elevation 1400-1500 m.
Reproduction	oviparous
Types	Holotype: CIB 7315024, Male; 1800 m; 7. 22, 1973. Holotype: KIZ 730093 (Kunming Institute of Zoology) [zhaokentangi]
Diagnosis	Diagnosis: third supralabial larger than the fourth, unpaired subcaudals, high ventral scale counts between 158–176. [MALHOTRA et al. 2011, Appendix G]
Comment	Venomous! Subspecies: GOLAY et al. (1993) recognized four subspecies, monticola, convictus, makazayazaya, and zayuensis while DAVID & VOGEL (1996) mentioned only 2 (monticola, orientalis, and zhaokentangi). MCDARMID et al. (1999) didn’t explicitely adopt any of these arrangements by listing all of these forms in the synonymy of monticola. However, they “prefer to treat zayuensis as a subspecies of O. monticola.” Synonymy: The genus Ovophis was not supported in a recent DNA analysis by TU et al. (2000). Malhotra et al. 2011 “found no compelling evidence for the treatment of O. m. zhaokentangi and O. zayuensis as separate taxa.”
Etymology	named after its type locality in Zayu County, Xizang.
References	David, Patrick;Tong, Haiyan 1997. Translations of recent descriptions of Chinese pitvipers of the Trimeresurus-complex (Serpentes, Viperidae), with a key to the complex in China and adjacent areas. Smithsonian Herp. Inf. Serv. (112): 1-31 - get paper here Gumprecht, A.; Tillack, F.; Orlov, N.L.; Captain, A. & Ryabow, S. 2004. Asian pitvipers. Geitje Books, Berlin, 368 pp. Guo, P., F. J. Zhang, and Y. Y. Chen. 1999. Catalogue of type specimens of reptiles in the Herpetological Collections of Chengdu Institute of Biology,the Chinese Academy of Sciences. Asiatic Herpetological Research 8: 43~47 - get paper here Guo, Peng; Lu, Shunqing; Huang, Song; Zhao, Hui; Zhao, Ermi 2006. Hemipenial morphology of five Asian pitvipers, with a discussion on their taxonomy. Amphibia-Reptilia 27 (1): 19-23 - get paper here Malhotra, Anita; Karen Dawson, Peng Guo and Roger S. Thorpe 2011. Phylogenetic structure and species boundaries in the mountain pitviper Ovophis monticola (Serpentes: Viperidae: Crotalinae) in Asia. Molecular Phylogenetics and Evolution 59 (2): 444-457 - get paper here McDiarmid, R.W.; Campbell, J.A. & Touré,T.A. 1999. Snake species of the world. Vol. 1. [type catalogue] Herpetologists’ League, 511 pp. Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp. Wang K, Lyu ZT, Wang J, Qi S, Che J 2022. Updated Checklist and Zoogeographic Division of the Reptilian Fauna of Yunnan Province, China. Biodiversity Science 30 (4): 21326, 1–31 - get paper here Wang, Kai; Jinlong Ren, Hongman Chen, Zhitong Lyu, Xianguang Guo Ke Jiang, Jinmin Chen, Jiatang Li, Peng Guo, Yingyong Wang, Jing Che 2020. The updated checklists of amphibians and reptiles of China. Biodiversity Science 28 (2): 189-218 - get paper here Zeng, Y.-M., Li, K., Liu, Q., Wu, Y.-Y., Hou, S.-B., Zhao, G.-G., Nguyen, S N., Guo, P., & Shi, L. 2023. New insights into the phylogeny and evolution of Chinese Ovophis (Serpentes, Viperidae): Inferred from multilocus data. Zoologica Scripta, 52, 358– 369 - get paper here Zhao, E. M. & Jiang,Y. M. 1977. A survey of reptiles in Xizang Autonomous Region, with faunal analysis & descriptions of new forms. [in Chinese] Acta Zool. Sinica, Peking, 23: 64-71 Zhao, E.M. 1995. Infraspecific classification of some Chinese snakes. Sichuan Journal of Zoology, 14 (3): 107-112. - get paper here Zhao, E.M. 2006. The snakes of China [in Chinese]. Hefei, China, Anhui Sience & Technology Publ. House, Vol. I, 372 pp., Vol. II (color plates), 280 pp.
External links	IUCN Red List National Center for Biotechnology Information https://www.facebook.com/groups/stshc/posts/275378068020132 Google images

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