gelechiid moth vs gelechiid

gelechiid moth and gelechiid both are nouns.

Word	Noun	Adjective	Verb	Adverb
gelechiid moth	Yes	No	No	No
gelechiid	Yes	No	No	No

As nouns, gelechiid moth and gelechiid are synonyms defined as:

gelechiid moth and gelechiid: small slender-winged moths whose larvae are agricultural pests

gelechiid moth (noun)	gelechiid (noun)
small slender-winged moths whose larvae are agricultural pests	small slender-winged moths whose larvae are agricultural pests