hymenopter vs hymenopteron

hymenopter and hymenopteron both are nouns.

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

As nouns, hymenopter and hymenopteron are synonyms defined as:

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

Other synonyms of hymenopter include hymenopteran, hymenopterous insect.

hymenopter (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