Trimeresurus insularis

Trimeresurus insularis is a venomous pit viper species[4] found in Indonesia and East Timor.[1][3] Common names include: white-lipped island pit viper,[5] Lesser Sunda pit viper,[6] and Sunda Island pit viper.[7]

Trimeresurus insularis
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Viperidae
Genus: Trimeresurus
Species:
T. insularis
Binomial name
Trimeresurus insularis
Kramer, 1977
Synonyms
  • Trimeresurus albolabris insularis Kramer, 1977[2]
  • Cryptelytrops insularis
    – Malhotra & Thorpe, 2004
  • Trimeresurus (Trimeresurus) insularis – David et al., 2011[3]

Description

The scalation includes 21 rows of dorsal scales at midbody, 156-164/156-167 ventral scales in males/females, 70-75/54-59 subcaudal scales in males/females, and 7-12 supralabial scales.[5] Their color patterns are often found to be green or a blue-green color with specific populations even containing yellow variants as well.[8]

Geographic range

Found in Indonesia on eastern Java, Bali, Lombok, Sumbawa, Sumba, Komodo, Rinca, Flores, Adonara, Lembata, Pantar, Alor, Roti, Semau, Timor, Wetar, Kisar and Romang. The type locality given is "Soe, Timor".[2][3] They are arboreal and can be found in dry monsoon forests within the altitudes of 900 and 1,200 m.[9]

References
  1. Auliya, M. (2010). "Cryptelytrops insularis". IUCN Red List of Threatened Species. 2010: e.T178038A7489272. doi:10.2305/IUCN.UK.2010-4.RLTS.T178038A7489272.en.
  2. McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1. Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
  3. Trimeresurus insularis at the Reptarium.cz Reptile Database. Accessed 31 May 2015.
  4. "Trimeresurus insularis". The Reptile Database. Retrieved 2020-10-12.
  5. Gumprecht A, Tillack F, Orlov NL, Captain A, Ryabov S. 2004. Asian Pitvipers. GeitjeBooks. Berlin. 1st Edition. 368 pp. ISBN 3-937975-00-4.
  6. "Mark O'Shea - The Official Website". www.markoshea.info.
  7. "Cryptelytrops insularis (Sunda Island Pitviper, White-lipped Island Pitviper)". IUCN Red List of Threatened Species.
  8. Jones, Brenda Kathryn; Saviola, Anthony J.; Reilly, Sean B.; Stubbs, Alexander L.; Arida, Evy; Iskandar, Djoko T.; McGuire, Jimmy A.; Yates, John R.; Mackessy, Stephen P. (2019-05-03). "Venom Composition in a Phenotypically Variable Pit Viper (Trimeresurus insularis) across the Lesser Sunda Archipelago". Journal of Proteome Research. 18 (5): 2206–2220. doi:10.1021/acs.jproteome.9b00077. ISSN 1535-3893. PMID 30958009.
  9. McAllister, Chris T.; Bursey, Charles R.; Hartdegen, Ruston (January 2019). "Polydelphis anoura Dujardin, 1845 (Nematoda: Ascaridoidea: Ascaridae) from the White-lipped Island Pitviper, Trimeresurus insularis (Ophidia: Viperidae), from Wetar Island, Indonesia". Comparative Parasitology. 86 (1): 61–64. doi:10.1654/1525-2647-86.1.61. ISSN 1525-2647. S2CID 92142125.

Further reading
  • Kramer, E. 1977. Zur Schlangenfauna Nepals. Rev. suisse Zool. 84 (3): 721-761. (Trimeresurus albolabris insularis, p. 755.)


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