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Ovophis zayuensis (JIANG, 1977)

IUCN Red List - Ovophis zayuensis - Least Concern, LC
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Higher TaxaViperidae, Crotalinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Zayuan mountain pitviper
G: Zayuan Grubenotter
Chinese: 察隅烙铁头蛇 
SynonymTrimeresurus 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
Ovophis zayuensis — GERARD et al. 2024 
DistributionChina (Xizang), India (Arunachal Pradesh), elevation 1280-2100 m

Type locality: Xizang, Zayü, elevation 1800 m

zhaokentangi : China; Type locality: Bapo, Gongshan Co., Yunnan Province, China, elevation 1400-1500 m.  
Reproductionoviparous 
TypesHolotype: CIB 7315024, Male; 1800 m; 7. 22, 1973.
Holotype: KIZ 730093 (Kunming Institute of Zoology) [zhaokentangi] 
DiagnosisDiagnosis: third supralabial larger than the fourth, unpaired subcaudals, high ventral scale counts between 158–176. [MALHOTRA et al. 2011, Appendix G]


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CommentVenomous!

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.” 
Etymologynamed 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
  • Gerard, J. D., Boruah, B., Deepak, V., & Das, A. 2024. First record of two species of venomous snakes Bungarus suzhenae and Ovophis zayuensis (Serpentes: Elapidae, Viperidae) from India. Journal of Threatened Taxa, 16(6), 25385-25399 - 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.
  • Qiu X-C, Wang J-Z, Xia Z-Y, Jiang Z-W, Zeng Y, Wang N, Li P-P, Shi J-S 2024. A new mountain pitviper of the genus Ovophis Burger in Hoge & Romano-Hoge, 1981 (Serpentes, Viperidae) from Yunnan, China. ZooKeys 1203: 173-187 - get paper here
  • 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.
 
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