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How many louse species are included in the major chewing-louse suborders?
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louse
Human head louse (Pediculus humanus).
The major suborders of chewing lice, Amblycera and Ischnocera, collectively include approximately 2,900 described species of Phthiraptera. These insects, commonly known as chewing lice, are small, wingless parasites that primarily infest birds and some mammals.12