pro·me·thea moth | \ prə|ˈmēthēə-, prō| \
variants: or less commonly prometheus moth \ -thēəs- , -ˌth(y)üs- \
Definition of promethea moth
: a large American saturniid silkworm moth (Callosamia promethea) having the wings and body chiefly smoky brown in the male and reddish brown in the female and a larva that feeds on sassafras, wild cherry, and other trees and suspends its cocoon from a branch by a silken band — compare cecropia moth
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