Trimeresurus insularis

Trimeresurus insularis
Conservation status
Least Concern  (IUCN 3.1)[1]
Scientific classification
Domain:	Eukaryota
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]

Trimeresurus insularis or Indonesian pit viper, Lesser Sunda Islands pit viper, Sunda white-lipped pit viper, red-tailed pit viper is a venomous pit viper species found in eastern Java and the Lesser Sunda Islands, Indonesia.[1][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.[4] Their color patterns are often found to be green or a blue-green color with specific populations even containing yellow variants as well.[5]

Geographic range

It is found in Indonesia on eastern Java, Adonara, Alor, Bali, Flores, Komodo, Lombok, Padar, Rinca, Romang, Roti, Sumba, Sumbawa, Timor, and Wetar and East Timor.[1][3] The type locality given is "Soe, Timor".[2][3] They are arboreal[3][6] and can be found in dry monsoon forests at elevations up to 1,200 m (3,900 ft) above sea level.[1][6]

References

1. Reilly, S.; Auliya, M.; Iskandar, D.; Vogel, G.; Lilley, R. (2021). "Trimeresurus insularis". IUCN Red List of Threatened Species. 2021: e.T178038A1525328. doi:10.2305/IUCN.UK.2021-3.RLTS.T178038A1525328.en. Retrieved 29 August 2022.
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 27 April 2021.
4. Gumprecht A, Tillack F, Orlov NL, Captain A, Ryabov S. 2004. Asian Pitvipers. GeitjeBooks. Berlin. 1st Edition. 368 pp. ISBN 3-937975-00-4.
5. 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. PMID 30958009. S2CID 102347816.
6. 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. S2CID 92142125.

Further reading

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