Sitophylus oryzae vs black weevil

Sitophylus oryzae and black weevil both are nouns.

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

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

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

Other synonyms of Sitophylus oryzae include rice weevil.

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