bedbug vs Cimex lectularius

bedbug and Cimex lectularius both are nouns.

Word	Noun	Adjective	Verb	Adverb
bedbug	Yes	No	No	No
Cimex lectularius	Yes	No	No	No

As nouns, bedbug and Cimex lectularius are synonyms defined as:

bedbug and Cimex lectularius: bug of temperate regions that infests especially beds and feeds on human blood

Other synonyms of bedbug include bed bug, chinch.

bedbug (noun)	Cimex lectularius (noun)
bug of temperate regions that infests especially beds and feeds on human blood	bug of temperate regions that infests especially beds and feeds on human blood