NounPediculus humanus (species of louse that infests humans); body louse; body lice; head louse; head lice

Nounhead louse (Pediculus humanus capitis); head lice

Nounbiting louse (any louse of order Mallophaga); chewing louse

Nounbed bug (Cimex lectularius); bedbug

Nounbody louse (Pediculus humanus humanus); body lice