Eumorpha triangulum is a moth of the family Sphingidae. Distribution It is found throughout Latin America; namely Mexico, Belize, Guatemala, Honduras, Nicaragua, Costa Rica, Panama, Colombia, Ecuador, Peru, Bolivia, Argentina and possibly south-eastern Paraguay. Description The wingspan is 99–119 mm for males and 103–130 mm for females. It is similar to Eumorpha anchemolus, but the forewing upperside pattern is more contrasting and variegated. There is a prominent discal spot found on the greenish buff basal area of the hindwing upperside. Biology Adults are on wing year round. The larvae feed on Saurauia montana and Cissus rhombifolia, as well as Actinidiaceae species. They have a well-developed anal horn in the first instar, becoming less prominent as the larvae develop. References Eumorpha Moths described in 1903 Sphingidae of South America Moths of South America