Trimeresurus macrops is a venomous pit viper species endemic to Southeast Asia. No subspecies are currently recognized. Common names include large-eyed pitviper and green pit viper.
It can be distinguished from other green pit vipers by the relatively large size of its eyes, which is especially noticeable in adult specimens, and to which the specific name, macrops, refers.
Scalation includes 21 rows of dorsal scales at midbody, 160-174/161-175 ventral scales in males/females, 62-74/49-63 subcaudal scales in males/females, and 9-12 supralabial scales.
It is found in Southeast Asia in northern Cambodia, Laos, Thailand, and southern Vietnam. The type locality given is "Bangkok, Thailand".
- Kramer, Eugen. 1977. Zur Schlangenfauna Nepals. Revue suisse de Zoologie 84 (3): 721-761.