# Trimeresurus medoensis

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Species of snake

Trimeresurus medoensis Conservation status Data Deficient (IUCN 3.1)[1] Scientific classification Kingdom: Animalia Phylum: Chordata Class: Reptilia Order: Squamata Suborder: Serpentes Family: Viperidae Genus: Trimeresurus Species: T. medoensis Binomial name Trimeresurus medoensis Zhao, 1977 Synonyms Trimeresurus medoensis Zhao, 1977[2] Viridovipera medoensis – Malhotra & Thorpe, 2004 Trimeresurus (Viridovipera) medoensis – David et al., 2011[3]

***Trimeresurus medoensis***, [commonly named](/source/Common_name) the **Motuo bamboo pitviper**,[4] is a [venomous](/source/Venomous_snake) [pitviper](/source/Crotalinae) [species](/source/Species) [endemic](/source/Endemism) to [India](/source/India), [Burma](/source/Burma), and [Tibet](/source/Tibet). No [subspecies](/source/Subspecies) are currently recognized.[5]

## Description

In Arunachal Pradesh, India

Maximum total length for males is 671 mm (26.4 in); for females, 650 mm (26 in). Maximum tail length for males is 125 mm (4.9 in); for females, 115 mm (4.5 in).[6]

The [hemipenes](/source/Hemipenis) are short, thick, and spinose.[6]

Scalation: [dorsal scales](/source/Dorsal_scales) in 17 longitudinal rows at midbody, of which rows 7-11 are slightly keeled. There are 8 [upper labials](/source/Upper_labials), of which the first are separated from the [nasal scales](/source/Nasal_scales) by a distinct suture. The [ventrals](/source/Ventrals) number less than 150.[6]

Color pattern: 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.[6]

## Geographic range

Found in North-Eastern [India](/source/India); northern [Burma](/source/Burma) (Myanmar); and southeastern [Xizang](/source/Tibet_Autonomous_Region) (Tibet), [China](/source/China). The [type locality](/source/Type_locality_(biology)) listed is "near A-ni Bridge, Medo Xian, Xizang [Tibet], alt. 1,200 m [3,900 ft]" [Autonomous Region, China].[2]

## References

1. **[^](#cite_ref-IUCN_1-0)** Zhou, Z. & Rao, D.-q. (2012). ["*Viridovipera medoensis*"](http://www.iucnredlist.org/details/192090/0). *[The IUCN Red List of Threatened Species](/source/The_IUCN_Red_List_of_Threatened_Species)*. **2012**. [IUCN](/source/IUCN): e.T192090A2038504. [doi](/source/Doi_(identifier)):[10.2305/IUCN.UK.2012-1.RLTS.T192090A2038504.en](https://doi.org/10.2305%2FIUCN.UK.2012-1.RLTS.T192090A2038504.en). Retrieved 15 January 2018.

1. ^ [***a***](#cite_ref-McD99_2-0) [***b***](#cite_ref-McD99_2-1) McDiarmid RW, [Campbell JA](/source/Jonathan_A._Campbell), Touré T. 1999. *Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1*. Herpetologists' League. 511 pp. [ISBN](/source/ISBN_(identifier)) [1-893777-00-6](https://en.wikipedia.org/wiki/Special:BookSources/1-893777-00-6) (series). [ISBN](/source/ISBN_(identifier)) [1-893777-01-4](https://en.wikipedia.org/wiki/Special:BookSources/1-893777-01-4) (volume).

1. **[^](#cite_ref-3)** The Reptile Database. www.reptile-database.org.

1. **[^](#cite_ref-Gum04_4-0)** Gumprecht A, Tillack F, [Orlov NL](/source/Nikolai_Liutsianovich_Orlov), [Captain A](/source/Ashok_Captain), Ryabov S. 2004. *Asian Pitvipers*. Geitje Books. Berlin. 1st Edition. 368 pp. [ISBN](/source/ISBN_(identifier)) [3-937975-00-4](https://en.wikipedia.org/wiki/Special:BookSources/3-937975-00-4).

1. **[^](#cite_ref-ITIS_5-0)** ["Trimeresurus medoensis"](https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=634925). [Integrated Taxonomic Information System](/source/Integrated_Taxonomic_Information_System). Retrieved 25 May 2007.

1. ^ [***a***](#cite_ref-Lev03_6-0) [***b***](#cite_ref-Lev03_6-1) [***c***](#cite_ref-Lev03_6-2) [***d***](#cite_ref-Lev03_6-3) Leviton AE, Wogan GOU, Koo MS, Zug GR, Lucas RS, Vindum JV. 2003. The Dangerously Venomous Snakes of Burma, Illustrated Checklist with Keys. Proc. Cal. Acad. Sci. **54** (24): 407-462.

## Further reading

- David, Patrick; and 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 Herpetological Information Service (112): 1-31.

- David, Patrick; Ashok Captain; and Bharat B. Bhatt. 2002 [2001]. 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.

- [Djao, Er-mie](https://fr.wikipedia.org/wiki/Er-mi_Zhao); and Jiang, Yao-ming. 1977. A survey of reptiles in Xizang Autonomous Region, with faunal analysis and descriptions of new forms. Acta Zoologica Sinica **23**: 64-67.

## External links

- [*Trimeresurus medoensis*](http://reptile-database.reptarium.cz/species.php?genus=Trimeresurus&species=medoensis) at the [Reptarium.cz Reptile Database](http://reptile-database.reptarium.cz/). Accessed 4 December 2012.

Taxon identifiers Trimeresurus medoensis Wikidata: Q1037349 Wikispecies: Trimeresurus medoensis ADW: Trimeresurus_medoensis CoL: 7CTN3 EoL: 790411 GBIF: 2444509 iNaturalist: 30960 IRMNG: 10367430 ITIS: 634925 IUCN: 192090 NCBI: 242052 Open Tree of Life: 778619 RD: medoensis

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