hymenopteran vs hymenopteron

hymenopteran and hymenopteron both are nouns.

Word	Noun	Adjective	Verb	Adverb
hymenopteran	Yes	No	No	No
hymenopteron	Yes	No	No	No

As nouns, hymenopteran and hymenopteron are synonyms defined as:

hymenopteran and hymenopteron: insects having two pairs of membranous wings and an ovipositor specialized for stinging or piercing

Other synonyms of hymenopteran include hymenopter, hymenopterous insect.

hymenopteran (noun)	hymenopteron (noun)
insects having two pairs of membranous wings and an ovipositor specialized for stinging or piercing	insects having two pairs of membranous wings and an ovipositor specialized for stinging or piercing