Pediculus corporis vs body louse

Pediculus corporis and body louse both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pediculus corporis	Yes	No	No	No
body louse	Yes	No	No	No

As nouns, Pediculus corporis and body louse are synonyms defined as:

Pediculus corporis and body louse: a parasitic louse that infests the body of human beings

Other synonyms of Pediculus corporis include cootie.

Pediculus corporis (noun)	body louse (noun)
a parasitic louse that infests the body of human beings	a parasitic louse that infests the body of human beings