Pseudaletia unipuncta vs army worm

Pseudaletia unipuncta and army worm both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pseudaletia unipuncta	Yes	No	No	No
army worm	Yes	No	No	No

As nouns, Pseudaletia unipuncta and army worm are synonyms defined as:

Pseudaletia unipuncta and army worm: noctuid moth larvae that travel in multitudes destroying especially grass and grain

Other synonyms of Pseudaletia unipuncta include armyworm.

Pseudaletia unipuncta (noun)	army worm (noun)
moth whose destructive larvae travel in multitudes	noctuid moth larvae that travel in multitudes destroying especially grass and grain
noctuid moth larvae that travel in multitudes destroying especially grass and grain