heteropterous insect vs insect

heteropterous insect and insect both are nouns.

Word	Noun	Adjective	Verb	Adverb
heteropterous insect	Yes	No	No	No
insect	Yes	No	No	No

As nouns, insect is a hypernym of heteropterous insect; that is, insect is a word with a broader meaning than heteropterous insect:

heteropterous insect: true bugs: insects whose forewings are membranous but have leathery tips
insect: small air-breathing arthropod

heteropterous insect (noun)	insect (noun)
true bugs: insects whose forewings are membranous but have leathery tips	small air-breathing arthropod
	a person who has a nasty or unethical character undeserving of respect