order Hemiptera vs Hemiptera

order Hemiptera and Hemiptera both are nouns.

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

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

order Hemiptera and Hemiptera: plant bugs, bedbugs, some true bugs; also includes suborders Heteroptera (true bugs) and Homoptera (e.g., aphids, plant lice and cicadas)

order Hemiptera (noun)	Hemiptera (noun)
plant bugs, bedbugs, some true bugs; also includes suborders Heteroptera (true bugs) and Homoptera (e.g., aphids, plant lice and cicadas)	plant bugs, bedbugs, some true bugs; also includes suborders Heteroptera (true bugs) and Homoptera (e.g., aphids, plant lice and cicadas)