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You might not even see the bites first—the initial giveaway might be tiny lice eggs (a.k.a. nits) first. ... invisible to the naked eye. Their bites take the form of flat, red patches or raised ...
The thoracic segments are fused, but otherwise distinct from the head and abdomen, the latter being composed of seven visible segments. [9] Head lice are grey in general, but their precise color varies according to the environment in which they were raised. [9] After feeding, consumed blood causes the louse body to take on a reddish color. [9]
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 lice are spread by direct contact with the hair of someone who is infected. [4] The cause of head lice infestations in children is not related to cleanliness. [5] Other animals, such as cats and dogs, do not play a role in transmission. [4] Head lice feed only on human blood and are only able to survive on human head hair.
In addition to the lice and their bites, you might notice lice eggs called nits, Kassouf says. Nits are tiny, hard and white, and they stick to the hair follicle.
Head lice are about 2 to 3 millimeters long, and they usually infest the head or neck and attach their eggs to the base of the hair shaft, according to the CDC.
Lice inhabiting birds, however, may simply leave their eggs in parts of the body inaccessible to preening, such as the interior of feather shafts. Living louse eggs tend to be pale whitish, whereas dead louse eggs are yellower. [5] Lice are exopterygotes, being born as miniature versions of the adult, known as nymphs. The young moult three ...
When your child is the temporary home for these blood-sucking freeloaders, the social issue can sometimes be more overwhelming than the physical issue.