Sarcoptid

from WordNet (r) 3.0 (2006)

sarcoptid
    n 1: whitish mites that attack the skin of humans and other
         animals; "itch mites cause scabies" [syn: {itch mite},
         {sarcoptid}]

from The Collaborative International Dictionary of English v.0.48

Sarcoptid \Sar*cop"tid\, n. (Zool.)
   Any species of the genus {Sarcoptes} and related genera of
   mites, comprising the itch mites and mange mites. -- a. Of or
   pertaining to the itch mites.
   [1913 Webster]