order Hymenoptera vs Hymenoptera

order Hymenoptera and Hymenoptera both are nouns.

Word	Noun	Adjective	Verb	Adverb
order Hymenoptera	Yes	No	No	No
Hymenoptera	Yes	No	No	No

As nouns, order Hymenoptera and Hymenoptera are synonyms defined as:

order Hymenoptera and Hymenoptera: an order of insects including: bees, wasps, ants, ichneumons, sawflies, gall wasps, etc.

order Hymenoptera (noun)	Hymenoptera (noun)
an order of insects including: bees, wasps, ants, ichneumons, sawflies, gall wasps, etc.	an order of insects including: bees, wasps, ants, ichneumons, sawflies, gall wasps, etc.