Pthirus


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]