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[Pediculus humanus capitis]

A	B

A: Adult female louse
B: Adult louse

The adult louse is about the size of a sesame seed, has 6 legs (each with claws), and is tan to grayish-white.  In persons with dark hair, the adult louse will appear darker.  Females lay up to 8 nits per day.  Females are usually larger than males.