is a specific kind of: moth.

is a broader term that covers: emperor, emperor moth, Saturnia pavonia | Eacles imperialis, imperial moth | giant silkworm moth, silkworm moth | Actias luna, luna moth | cecropia, cecropia moth, Hyalophora cecropia | Automeris io, io moth | Antheraea polyphemus, polyphemus moth | Antheraea pernyi, pernyi moth | Antheraea mylitta, tussah, tusseh, tusser, tussore, tussur.

is a member of: family Saturniidae, Saturniidae.