Mediterranean fruit fly vs Ceratitis

Mediterranean fruit fly and Ceratitis both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mediterranean fruit fly	Yes	No	No	No
Ceratitis	Yes	No	No	No

Mediterranean fruit fly (noun)	Ceratitis (noun)
small black-and-white fly that damages citrus and other fruits by implanting eggs that hatch inside the fruit	Mediterranean fruit flies