Heliothis zia vs noctuid

Heliothis zia and noctuid both are nouns.

Word	Noun	Adjective	Verb	Adverb
Heliothis zia	Yes	No	No	No
noctuid	Yes	No	No	No

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

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

Other hypernyms of Heliothis zia include noctuid moth, owlet moth.

Heliothis zia (noun)	noctuid (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