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  2. Head louse - Wikipedia

    en.wikipedia.org/wiki/Head_louse

    Thus, mobile head lice populations may contain eggs, nits, three nymphal instars, and the adults (male and female) . [1] Metamorphosis during head louse development is subtle. The only visible differences between different instars and the adult, other than size, is the relative length of the abdomen, which increases with each molt, [ 1 ] as ...

  3. Head lice infestation - Wikipedia

    en.wikipedia.org/wiki/Head_lice_infestation

    Females get head lice twice as often as males, [46] and infestation in persons of Afro-Caribbean or other black descent could be rare due to difference in hair shape or width. [46] [49] But these children may have nits that hatch and the live lice could be transferred by head contact to other children. [50]

  4. Louse - Wikipedia

    en.wikipedia.org/wiki/Louse

    Lice may transmit microbial diseases and helminth parasites, [22] but most individuals spend their whole life cycle on a single host and are only able to transfer to a new host opportunistically. [7] Ischnoceran lice may reduce the thermoregulation effect of the plumage; thus heavily infested birds lose more heat than others. [23]

  5. 5 important things to know about lice — and why it’s OK to ...

    www.aol.com/lifestyle/5-important-things-know...

    Nits "may persist after treatment," the CDC says, "but successful treatment should kill crawling lice." Given how much lice are usually feared, it's understandable to have questions. Here are some ...

  6. Pediculosis - Wikipedia

    en.wikipedia.org/wiki/Pediculosis

    Accordingly, the infestation with head lice is named pediculosis capitis, while this with body lice, pediculosis corporis. [ 1 ] [ 2 ] Although pediculosis in humans may properly refer to lice infestation of any part of the body, the term is sometimes used loosely to refer to pediculosis capitis , the infestation of the human head with the ...

  7. Mallophaga - Wikipedia

    en.wikipedia.org/wiki/Mallophaga

    Mallophaga develop by gradual metamorphosis. Females typically lay 150–300 eggs over an interval of 2–3 weeks. The eggs, commonly known as nits, are oblong and around 1 mm long. The eggs are glued to the hairs or feathers of the host with a secretion from the female accessory glands.

  8. Treatment of human lice - Wikipedia

    en.wikipedia.org/wiki/Treatment_of_human_lice

    Between the treatments, it is advised to wet the hair and comb daily with a louse-comb to remove the hatching lice. If no living lice are found, the treatment was successful, even if nits (eggs) are visible on the hair. If living lice are still present, the treatment is repeated using an anti-louse product with a different active ingredient.

  9. Crab louse - Wikipedia

    en.wikipedia.org/wiki/Crab_louse

    The female lays about three eggs a day. The eggs take 6–8 days to hatch, and there are three nymphal stages which together take 10–17 days before the adult develops, making a total life cycle from egg to adult of 16–25 days. Adults live for up to 30 days. [6] Crab lice feed exclusively on blood, and take a blood meal 4–5 times daily.