Figure 1.

Human lice. (a) Head louse (Pediculus humanus). (b) Nit (egg) of head louse. With permission from http://www.headlice.org webcite. (c) Pubic louse or 'crab' (Pthirus pubis). (a) and (c) are by Vince Smith and are reproduced with permission.

Weiss Journal of Biology 2009 8:20   doi:10.1186/jbiol114
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