potato tuberworm vs Phthorimaea operculella

potato tuberworm and Phthorimaea operculella both are nouns.

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

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

potato tuberworm and Phthorimaea operculella: larva of potato moth; mines in leaves and stems of e.g. potatoes and tobacco

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