Saturnia pavonia and Saturniid moth

Saturnia pavonia noun - Large moth of temperate forests of Eurasia having heavily scaled transparent wings.

Saturniid moth and Saturnia pavonia are semantically related. In some cases you can use "Saturniid moth" instead a noun phrase "Saturnia pavonia".

Saturniid moth noun - Large brightly colored and usually tropical moth; larvae spin silken cocoons.

Saturnia pavonia and saturniid moth are semantically related. Sometimes you can replace phrase "Saturnia pavonia" with "Saturniid moth", this phrases are similar.