or giant silkworm moth
Any of some 800 moth species of the principally tropical family Saturniidae.
Adults have a stout, hairy body and broad wings, often vividly coloured and patterned. Most species have a central eyespot on each wing. Among the saturniids are the io moth ( Automeris io ); the giant cecropia moth ( Hyalophora cecropia ), the largest moth native to North America, with a wingspan of 6 in. (15 cm); several species of Antheraea that are used as a source of commercial silk; the emperor moth ( Saturnia pavonia ); and the luna moth .
Polyphemus moth ( Antheraea polyphemus )
William E. Ferguson