Anoplura (anopl = unarmed; ura = tail)
- Metamorphosis: gradual (egg to nymph to adult).
- Immature: looks like the adult.
- Adult: sucking mouthparts, wingless, very small, head slender and pointed.
Classification and Groups
Medically Important Families:
- Pediculidae: includes the human head and body louse (Pediculus humanus and Pediculus capitis)
- Pthiridae: contains the human pubic louse or crab louse (Pthirus pubis).