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Trimeresurus medoensis ZHAO, 1977

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Higher TaxaViperidae, Crotalinae, Serpentes (snakes) 
Subspecies 
Common NamesGreen Bamboo Leaf Pit Viper, Motuo bamboo pitviper 
SynonymTrimeresurus medoensis ZHAO 1977
Trimeresurus medoensis — WELCH 1994: 115
Trimeresurus medoensis — MCDIARMID, CAMPBELL & TOURÉ 1999: 339
Trimeresurus medoensis — LEVITON et al. 2003
Trimeresurus medoensis — GUMPRECHT et al. 2004
Viridovipera medoensis — MALHOTRA & THORPE 2004
Viridovipera medoensis — DAWSON et al. 2008
Trimeresurus (Viridovipera) medoensis — DAVID et al. 2011 
DistributionN Myanmar (= Burma), E India,
W China (SE Xizang = Tibet)

Type locality: near Ani Bridge, Motuo, Xizang, at 1200 m elevation. Map legend:
TDWG region - Region according to the TDWG standard, not a precise distribution map.

NOTE: TDWG regions are generated automatically from the text in the distribution field and not in every cases it works well. We are working on it.
 
TypesHolotype: CIB 73-II-5208 
CommentVenomous! Authors are listed as “DJAO in DJAO & JIANG 1977” in WELCH 1994.

DIAGNOSIS (DIAGNOSTIC CHARACTERS).— Scales in 17 longitudinal rows at midbody, dorsal rows 7–11 slightly keeled; 8 upper labials, first upper labials separated from nasals by a distinct suture; green or bluish green above, yellowish white below, the two separated by a bright bicolored red (below) and white (above) ventrolateral stripe (in both males and females), which occupies the whole of the outermost scale row and a portion of the second row; ventrals less than 150; hemipenes short, thick, spinose. Total length males 671 mm, females 650; tail length males 125 mm, females 115 mm. [after LEVITON 2003]

Distribution: Possibly in Bhutan (Lenz 2012). 
References
  • David, P., G. Vogel, O.S.G. Pauwels & N. Vidal 2002. Description of a new species of the genus Trimeresurus from Thailand, related to Trimeresurus stejnegeri Schmidt, 1925 (Serpentes, Crotalidae). Natural History Journal of Chulalongkorn University, 2 (1): 5-19 - get paper here
  • DAVID, P., N. VIDAL & S. G. PAUWELS 2001. A morphological study of Stejneger's pitviper Trimeresurus stejnegeri (Serpentes, Viperidae, Crotalinae), with the description of a new species from Thailand. Russ. J. Herpetol. 8 (3): 205-222 - get paper here
  • David, Patrick, Ashok Captain and Bharat B. Bhatt 2002. On the occurrence of Trimeresurus medoensis Djao in: Djao & Jaing, 1977 (Serpentes, Viperidae, Crotalinae) in India, with a redescription of the species and notes on its biology. Hamadryad 26(2):210-226 [2001] - get paper here
  • DAVID, PATRICK; GERNOT VOGEL & ALAIN DUBOIS 2011. On the need to follow rigorously the Rules of the Code for the subsequent designation of a nucleospecies (type species) for a nominal genus which lacked one: the case of the nominal genus Trimeresurus Lacépède, 1804 (Reptilia: Squamata: Viperidae) Zootaxa 2992: 1–51 - get paper here
  • 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
  • Dawson, Karen; Anita Malhotra, Roger S. Thorpe, Peng Guo, Mrinalini and Thomas Ziegler 2008. Mitochondrial DNA analysis reveals a new member of the Asian pitviper genus Viridovipera (Serpentes: Viperidae: Crotalinae). Molecular Phylogenetics and Evolution 49: 356-361 - 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
  • Lenz, Norbert 2012. Von Schmetterlingen und Donnerdrachen - Natur und Kultur in Bhutan. Karslruher Naturhefte 4, Naturkundemuseum Karslruhe, 124 pp.
  • Leviton, Alan E.; Guinevere O.U. Wogan; Michelle S. Koo; George R. Zug; Rhonda S. Lucas and Jens V. 2003. The Dangerously Venomous Snakes of Myanmar Illustrated Checklist with Keys. Proc. Cal. Acad. Sci. 54 (24): 407–462
  • Malhotra, Anita & Thorpe, Roger S. 2004. A phylogeny of four mitochondrial gene regions suggests a revised taxonomy for Asian pitvipers (Trimeresurus and Ovophis). Molecular Phylogenetics and Evolution 32: 83 –100 [erratum p. 680] - get paper here
  • McDiarmid,R.W.; Campbell,J.A. & Touré,T.A. 1999. Snake species of the world. Vol. 1. Herpetologists’ League, 511 pp.
  • Peng, G. & Fuji, Z. 2001. Comparative studies on hemipenes of four species of Trimeresurus (sensu stricto) (Serpentes: Crotalinae). Amphibia-Reptilia 22 (1): 113-117 - get paper here
  • Whitaker, Romulus<br />and Ashok Captain 2004. Snakes of India. Draco Books, 500 pp. - get paper here
  • Zhao,E. M. 1977. [A survey of reptiles in Xizang Autonomous Region, with faunal analysis & descriptions of new forms] Acta Zool. Sinica, Peking 23: 64-71
 
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