If the louse falls off a person, it dies within 1–2 days. Females lay nits and are usually larger than males. This is how they got the nickname “crabs.” Pubic lice are tan to grayish-white in color. Pubic lice have six legs their two front legs are very large and look like the pincher claws of a crab. To live, a nymph must feed on blood.Īdult: The adult pubic louse resembles a miniature crab when viewed through a strong magnifying glass. Pubic lice nymphs take about 2–3 weeks after hatching to mature into adults capable of reproducing. A nymph looks like an adult pubic louse but it is smaller. Nymph: The nymph is an immature louse that hatches from the nit (egg).
Pubic lice nits take about 6–10 days to hatch. They are oval and usually yellow to white. They can be hard to see and are found firmly attached to the hair shaft. Pubic lice have three forms: the egg (also called a nit), the nymph, and the adult. Pubic lice infestation is found worldwide and occurs in all races, ethnic groups, and levels of society.
Also called crab lice or “crabs,” pubic lice are parasitic insects found primarily in the pubic or genital area of humans.
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