dobsonfly vs neuropteron

dobsonfly and neuropteron both are nouns.

Word	Noun	Adjective	Verb	Adverb
dobsonfly	Yes	No	No	No
neuropteron	Yes	No	No	No

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

dobsonfly: large soft-bodied insect having long slender mandibles in the male; aquatic larvae often used as bait
neuropteron: insect having biting mouthparts and four large membranous wings with netlike veins

Other hypernyms of dobsonfly include neuropteran, neuropterous insect.

dobsonfly (noun)	neuropteron (noun)
large soft-bodied insect having long slender mandibles in the male; aquatic larvae often used as bait	insect having biting mouthparts and four large membranous wings with netlike veins