class Insecta vs Hymenoptera

class Insecta and Hymenoptera both are nouns.

Word	Noun	Adjective	Verb	Adverb
class Insecta	Yes	No	No	No
Hymenoptera	Yes	No	No	No

class Insecta (noun)	Hymenoptera (noun)
insects; about five-sixths of all known animal species	an order of insects including: bees, wasps, ants, ichneumons, sawflies, gall wasps, etc.