order Diptera vs Diptera

order Diptera and Diptera both are nouns.

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

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

order Diptera and Diptera: a large order of insects having a single pair of wings and sucking or piercing mouths; includes true flies and mosquitoes and gnats and crane flies

order Diptera (noun)	Diptera (noun)
a large order of insects having a single pair of wings and sucking or piercing mouths; includes true flies and mosquitoes and gnats and crane flies	a large order of insects having a single pair of wings and sucking or piercing mouths; includes true flies and mosquitoes and gnats and crane flies