What are the features of pediculus humanus corporis (body lice) 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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The body louse is larger than the head louse. Body lice range in size from 2-4 mm. Female lice are larger than male lice. Like the head louse, the body louse is flat and white to gray with a segmented abdomen.

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