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Pediculosis pubis (also known as "crabs" and "pubic lice") is an infestation by the pubic louse, Pthirus pubis, a wingless insect which feeds on blood and lays its eggs (nits) on mainly pubic hair. Less commonly, hair near the anus, armpit, beard, eyebrows, moustache, and eyelashes may be involved.
Head louse egg (nit) attached to hair shaft of host. Like most insects, head lice are oviparous. Females lay about three or four eggs per day. Louse eggs (also known as nits), are attached near the base of a host hair shaft. [11] [12] Eggs are usually laid on the base of the hair, 3–5 mm off the scalp surface.
The crab louse or pubic louse (Pthirus pubis) is an insect that is an obligate ectoparasite of humans, feeding exclusively on blood. [2] The crab louse usually is found in the person's pubic hair . Although the louse cannot jump, it can also live in other areas of the body that are covered with coarse hair, such as the perianal area , the ...
While head lice and body lice are closely related subspecies, pubic lice are a separate species, he explains. ... Nits are tiny, hard and white, and they stick to the hair follicle. Body lice can ...
Pubic lice fall within the Pthirus pubis family of louse, different from head lice. Learn how you can get crabs and what to do once you see them. Pubic Lice (Crabs) Transmission and Medicated Removal
Nit picking on a budget: the price of lice. Bonnie McCarthy. Updated July 14, 2016 at 6:09 PM. Back to school too often means back to head lice, which children, in close quarters and sharing hats ...
Pediculosis may be divided into the following types: [3]: 446–8 [4] Pediculosis capitis (Head lice infestation) Pediculosis corporis (Body louse infestation, also known as Pediculosis vestimenti, Vagabond's disease) Pediculosis pubis (Pubic louse infestation, also known as phthiriasis)
Humans host two species of louse—the head louse and the body louse are subspecies of Pediculus humanus; and the pubic louse, Pthirus pubis. The body louse has the smallest genome of any known insect; it has been used as a model organism and has been the subject of much research. Lice were ubiquitous in human society until at least the Middle ...