Trimeresurus insularis


Trimeresurus insularis is a venomous pit viper subspecies found in Indonesia and East Timor. Common names include: white-lipped island pit viper, Lesser Sunda pit viper, and Sunda Island pit viper.''

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. Their color patterns are often found to be green or a blue-green color with specific populations even containing yellow variants as well.

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". They are arboreal and can be found in dry monsoon forests within the altitudes of 900 and 1,200 m.