- A large, mainly yellow North American moth of the silkworm moth family, with prominent eyespots on the hind wings.
More example sentences
- Automeris io, family Saturniidae
- The Io moth, named for a character in Greek mythology, has a very obvious black eyespot on each hindwing.
- The Io moth (Automeris io) is a very colorful North American moth in the Saturniidae family.
late 19th century: named after the Greek priestess Io.