hemipteron vs hemipteran

hemipteron and hemipteran both are nouns.

Word	Noun	Adjective	Verb	Adverb
hemipteron	Yes	No	No	No
hemipteran	Yes	No	No	No

As nouns, hemipteron and hemipteran are synonyms defined as:

hemipteron and hemipteran: insects with sucking mouthparts and forewings thickened and leathery at the base; usually show incomplete metamorphosis

Other synonyms of hemipteron include bug, hemipterous insect.

hemipteron (noun)	hemipteran (noun)
insects with sucking mouthparts and forewings thickened and leathery at the base; usually show incomplete metamorphosis	insects with sucking mouthparts and forewings thickened and leathery at the base; usually show incomplete metamorphosis