Heliothis zia vs owlet moth

Heliothis zia and owlet moth both are nouns.

Word	Noun	Adjective	Verb	Adverb
Heliothis zia	Yes	No	No	No
owlet moth	Yes	No	No	No

As nouns, owlet moth is a hypernym of Heliothis zia; that is, owlet moth is a word with a broader meaning than Heliothis zia:

Heliothis zia: medium-sized moth whose larvae are corn earworms
owlet moth: usually dull-colored medium-sized nocturnal moth; the usually smooth-bodied larvae are destructive agricultural pests

Other hypernyms of Heliothis zia include noctuid, noctuid moth.

Heliothis zia (noun)	owlet moth (noun)
medium-sized moth whose larvae are corn earworms	usually dull-colored medium-sized nocturnal moth; the usually smooth-bodied larvae are destructive agricultural pests
larva of a noctuid moth; highly destructive to especially corn and cotton and tomato crops