Pthirus


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Related to Pthirus: Pthirus pubis

Pthirus

(thī'rŭs), Avoid the misspellings Phthirus and Phthirius.
A genus of lice (family Pediculidae) formerly grouped in the genus Pediculus. The main species is Pthirus pubis (formerly Pediculus pubis), the crab or pubic louse, a parasite that infests the pubes and neighboring hairy parts of the body.
[irreg. fr. G. phtheir, louse]

Pthir·us

(thir'ŭs)
A genus of lice formerly grouped in the genus Pediculus. The main species is P. pubis, the crab or pubic louse, a parasite that infests the pubes and adjacent hairy parts of the body. usage note Often incorrectly spelled Phthirus or Phthirius.
[irreg. fr. G. phtheir, louse]
References in periodicals archive ?
There are two species of lice that infest humans: pubic lice, Pthirus pubis, and human head and body lice, Pediculus humanus.
The three types of human lice are in the Anoplura order producing disease called pediculosis because of the genera of lice involved (Pediculus humanus capitis (head louse), Pediculus humanus corporis (body louse), and Pthirus pubis (crab louse).
Humans are the sole hosts of the pubic louse (Pthirus pubis), the body louse (Pediculus humanus humanus), and the head louse (Pediculus humanus capitis) (1).