black weevil vs Sitophylus oryzae

black weevil and Sitophylus oryzae both are nouns.

Word	Noun	Adjective	Verb	Adverb
black weevil	Yes	No	No	No
Sitophylus oryzae	Yes	No	No	No

As nouns, black weevil and Sitophylus oryzae are synonyms defined as:

black weevil and Sitophylus oryzae: brown weevil that infests stored grain especially rice

Other synonyms of black weevil include rice weevil.

black weevil (noun)	Sitophylus oryzae (noun)
brown weevil that infests stored grain especially rice	brown weevil that infests stored grain especially rice