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.
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.
Species: Trimeresurus albolabris
Frame: 9” x 9″ with Glass (and white border)