Is There an Incubation Period for Lice Eggs?


Quick Answer

The incubation period for lice eggs ranges from six to nine days, states Head Lice Center. A new infestation of lice, in the form of nymphs, can occur approximately a week after treatment for lice. The nymph morphs into an adult louse seven days after hatching, after undergoing three moults.

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Full Answer

Adult lice live for approximately one month, or between 30-40 days, explains Head Lice Center. They reach adulthood at around 17 days after hatching, so the total life cycle is about 47 to 57 days. The adult male can mate with many females in a row, and the female can lay up to 10 eggs daily.

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