Sep 24, · Adult head lice are roughly 2–3 mm long. Head lice infest the head and neck and attach their eggs to the base of the hair shaft. Lice move by crawling; they cannot hop or fly. Head lice infestation, or pediculosis, is spread most commonly by . Head lice occur in people of all ages and races. Males are affected somewhat less than females. Children are most likely to become affected by a head lice infestation, and epidemics can occur in schools, day cares, and nurseries, but adults may become infected, most often through contact with infected children.
Adult: The adult louse is about the size of a sesame seed, has six legs, and is tan to grayish-white in color. In people with dark hair, the adult louse looks darker. Females lay nits; they are usually larger than males. Adult lice can live up to 30 days on a person's head. Jul 18, · Three forms of head lice exist: nits, nymphs, and mature adults. Nits are lice eggs that attach to the hair shaft and usually hatch within a Author: Erica Roth.
Adult lice have six legs with claws at the end that allow them to latch tightly to your hair. Typically, adult head lice live 30 days when stuck to your head. If . A mature or adult head louse can lay up to 10 eggs or nits each day. These nits, or lice eggs, hatch in about 7 to 12 days. Baby lice or nymphs are about the size of a pinhead when they hatch and quickly mature into adult lice in about seven days.
Head lice infestations are most common among pre-school children who attend child care and elementary school children due to consistent close contact with others, but adults can get head lice as well—especially from their infected children. Dec 03, · What are head lice? Head lice are small, wingless, blood-sucking insects. They live in the hair on your head and feed off the blood from your scalp. A louse (a single adult) is about the size of a.