Heliothis zia vs bollworm

Heliothis zia and bollworm both are nouns.

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

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

Heliothis zia: larva of a noctuid moth; highly destructive to especially corn and cotton and tomato crops
bollworm: any of various moth caterpillars that destroy cotton bolls

Heliothis zia (noun)	bollworm (noun)
medium-sized moth whose larvae are corn earworms	any of various moth caterpillars that destroy cotton bolls
larva of a noctuid moth; highly destructive to especially corn and cotton and tomato crops