tusser vs saturniid moth

tusser and saturniid moth both are nouns.

Word	Noun	Adjective	Verb	Adverb
tusser	Yes	No	No	No
saturniid moth	Yes	No	No	No

As nouns, saturniid moth is a hypernym of tusser; that is, saturniid moth is a word with a broader meaning than tusser:

tusser: oriental moth that produces brownish silk
saturniid moth: large brightly colored and usually tropical moth; larvae spin silken cocoons

Other hypernyms of tusser include saturniid.

tusser (noun)	saturniid moth (noun)
oriental moth that produces brownish silk	large brightly colored and usually tropical moth; larvae spin silken cocoons