io moth(n = noun.animal) automeris io - large yellow American moth having a large eyelike spot on each hind wing; the larvae have stinging spines; Array
A large and handsome American moth (Hyperchiria Io), having a large, bright-colored spot on each hind wing, resembling the spots on the tail of a peacock. The larva is covered with prickly hairs, which sting like nettles. [1913 Webster]