neuropteran vs neuropterous insect

neuropteran and neuropterous insect both are nouns.

Word	Noun	Adjective	Verb	Adverb
neuropteran	Yes	No	No	No
neuropterous insect	Yes	No	No	No

As nouns, neuropteran and neuropterous insect are synonyms defined as:

neuropteran and neuropterous insect: insect having biting mouthparts and four large membranous wings with netlike veins

Other synonyms of neuropteran include neuropteron.

neuropteran (noun)	neuropterous insect (noun)
insect having biting mouthparts and four large membranous wings with netlike veins	insect having biting mouthparts and four large membranous wings with netlike veins