Gloydius variegatus is a new species of Asian pit viper discovered in the upper Lancang (Mekong) hot dry valley of Xizang, China. This species is geographically proximate to G. huangi but exhibits clear morphological distinctions from other members of the genus, representing the second Gloydius species identified along the upper Lancang River. This new species was reported by Jinlong REN et al. in this issue. This snake was drawn by Hanwen KANG and Timan YANG.