citrus mealybug vs Planococcus citri

citrus mealybug and Planococcus citri both are nouns.

Word	Noun	Adjective	Verb	Adverb
citrus mealybug	Yes	No	No	No
Planococcus citri	Yes	No	No	No

As nouns, citrus mealybug and Planococcus citri are synonyms defined as:

citrus mealybug and Planococcus citri: feeds on a wide variety of cultivated plants but especially destructive to citrus

citrus mealybug (noun)	Planococcus citri (noun)
feeds on a wide variety of cultivated plants but especially destructive to citrus	feeds on a wide variety of cultivated plants but especially destructive to citrus