Anoplura

: They are highly host-specific, meaning most species associate with only one type of mammal.

Three specific species of sucking lice are parasitic to humans, as detailed by researchers at ScienceDirect : anoplura

: Unlike chewing lice, Anoplura possess piercing mouthparts designed to suck blood. : They are highly host-specific, meaning most species

: They are typically dorso-ventrally flattened and have specialized tibio-tarsal claws to cling securely to host hair. : They are highly host-specific

Anoplura can cause intense itching (pruritus) due to allergic reactions to their saliva. More critically, certain species like the body louse act as vectors for dangerous human diseases, including , trench fever , and louse-borne relapsing fever .