Source : Webster's Revised Unabridged Dictionary (1913)

Pediculus \Pe*dic"u*lus\, n.; pl. {Pediculi}. [L., a louse.]
   (Zo["o]l.)
   A genus of wingless parasitic Hemiptera, including the common
   lice of man. See {Louse}.

Source : WordNet®

Pediculus
     n : type genus of Pediculidae: true lice infecting humans [syn:
         {genus Pediculus}]