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The white-lipped pit viper (''Trimeresurus albolabris'') is a venomous pit viper species endemic to Southeast Asia. Three subspecies are currently recognized, including the nominate subspecies described here. ==Description== Maximum total length males , females ; maximum tail length males , females .〔Leviton AE, Wogan GOU, Koo MS, Zug GR, Lucas RS, Vindum JV. 2003. The Dangerously Venomous Snakes of Myanmar, Illustrated Checklist with Keys. Proc. Cal. Acad. Sci. 54 (24): 407-462. (PDF ) at (Smithsonian National Museum of Natural History, Division of Amphibians and Reptiles ). Accessed 8 August 2006.〕 Image:Trimeresurus-albolabris-white-lipped-pit-viper-juvenile-male-kaeng-krachan-national-park.jpg|T. albolabris (juvenile/male) - Kaeng Krachan National Park Image:Trimeresurus-albolabris-white-lipped-pit-viper-juvenile-female-kaeng-krachan-national-park.jpg|T. albolabris (juvenile/female) - Kaeng Krachan National Park Image:White-lipped Pitviper.jpg|''T. albolabris'' at the Houston Zoo.]] Head scalation consists of 10-11(12) upper labials, the first partially or completely fused to the nasal. Head scales small, subequal, feebly imbricate, smooth or weakly keeled. The supraoculars are narrow (occasionally enlarged and undivided) with 8-12 interocular scales between them. Temporal scales smooth.〔 Midbody has 21 (rarely 19) longitudinal dorsal scale rows. The ventral scales are 155-166 in males, 152-176 in females. The subcaudals are paired, 60-72 in males, 49-66 in females. The hemipenes are without spines.〔 Color pattern: green above, the side of the head below the eyes is yellow, white or pale green, much lighter than rest of head. The belly is green, yellowish or white below. A light ventrolateral stripe is present in all males, but absent in females. The end of tail is not mottled brown.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Trimeresurus albolabris」の詳細全文を読む スポンサード リンク
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