lacewing fly vs neuropteron

lacewing fly and neuropteron both are nouns.

Word	Noun	Adjective	Verb	Adverb
lacewing fly	Yes	No	No	No
neuropteron	Yes	No	No	No

As nouns, neuropteron is a hypernym of lacewing fly; that is, neuropteron is a word with a broader meaning than lacewing fly:

lacewing fly: any of two families of insects with gauzy wings (Chrysopidae and Hemerobiidae); larvae feed on insect pests such as aphids
neuropteron: insect having biting mouthparts and four large membranous wings with netlike veins

Other hypernyms of lacewing fly include neuropteran, neuropterous insect.

lacewing fly (noun)	neuropteron (noun)
any of two families of insects with gauzy wings (Chrysopidae and Hemerobiidae); larvae feed on insect pests such as aphids	insect having biting mouthparts and four large membranous wings with netlike veins