Sucking Louse Definition

Any of various lice of the suborder Anoplura that have mouthparts capable of piercing and sucking and that feed on the blood of mammals, including humans.

(louse in Anoplura): body louse (Pediculus humanus humanus), head louse, (Pediculus humanus capitis), crab louse (Pthirus pubis the cause of crabs) - human parasites.