What is the mobility of pthirus pubis (crabs) in pediculosis and pthiriasis (lice infestation)?

Updated: Aug 16, 2019
  • Author: Lyn C C Guenther, MD, FRCPC, FAAD; Chief Editor: Michael Stuart Bronze, MD  more...
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Pubic lice are less mobile than P humanus and P corporis, mainly resting while attached to human hairs. They can crawl up to 10 cm/day. [6] They cannot survive off the human host for more than 1 day.

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