bombycid moth vs bombycid

bombycid moth and bombycid both are nouns.

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

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

bombycid moth and bombycid: moderate-sized Asiatic moth whose larvae feed on mulberry leaves and produce silk

Other synonyms of bombycid moth include silkworm moth.

bombycid moth (noun)	bombycid (noun)
moderate-sized Asiatic moth whose larvae feed on mulberry leaves and produce silk	moderate-sized Asiatic moth whose larvae feed on mulberry leaves and produce silk