The head louse is an obligate ectoparasite of humans that causes head lice infestation. Head lice are wingless insects spending their entire lives on the human scalp and feeding exclusively on human blood. Gallery Arthur (1996-2018)Add a photo to this gallery Categories: Arthur Animals Insects Animals Bugs Lice Parasites WordWorld Animals Bernard Stonehouse Animals The Truth About Animal Senses Animals DK First Animal Encyclopedia Animals The Loud House Animals Community content is available under CC-BY-SA unless otherwise noted.
