potato moth vs Phthorimaea operculella

potato moth and Phthorimaea operculella both are nouns.

Word	Noun	Adjective	Verb	Adverb
potato moth	Yes	No	No	No
Phthorimaea operculella	Yes	No	No	No

As nouns, potato moth and Phthorimaea operculella are synonyms defined as:

potato moth and Phthorimaea operculella: greyish-brown moth whose larva is the potato tuberworm

Other synonyms of potato moth include potato tuber moth, splitworm.

potato moth (noun)	Phthorimaea operculella (noun)
greyish-brown moth whose larva is the potato tuberworm	greyish-brown moth whose larva is the potato tuberworm
	larva of potato moth; mines in leaves and stems of e.g. potatoes and tobacco