hymenopterous insect vs insect

hymenopterous insect and insect both are nouns.

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

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

hymenopterous insect: insects having two pairs of membranous wings and an ovipositor specialized for stinging or piercing
insect: small air-breathing arthropod

hymenopterous insect (noun)	insect (noun)
insects having two pairs of membranous wings and an ovipositor specialized for stinging or piercing	small air-breathing arthropod
	a person who has a nasty or unethical character undeserving of respect