orthopterous insect vs insect

orthopterous insect and insect both are nouns.

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

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

orthopterous insect: any of various insects having leathery forewings and membranous hind wings and chewing mouthparts
insect: small air-breathing arthropod

orthopterous insect (noun)	insect (noun)
any of various insects having leathery forewings and membranous hind wings and chewing mouthparts	small air-breathing arthropod
	a person who has a nasty or unethical character undeserving of respect