Cimex lectularius vs bed bug

Cimex lectularius and bed bug both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cimex lectularius	Yes	No	No	No
bed bug	Yes	No	No	No

As nouns, Cimex lectularius and bed bug are synonyms defined as:

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

Other synonyms of Cimex lectularius include bedbug, chinch.

Cimex lectularius (noun)	bed bug (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