prə]ˈmēthēə-, prō] noun
also pro·me·theus moth -thēəs-, -ˌth(y)üs-
Etymology: promethea from New Latin, from Latin, feminine of prometheus Promethean; prometheus from Greek Promētheus
: 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