The group of animal parasites which includes Sarcoptes scabiei, the cause of the skin disease known as itch, or SCABIES. This parasite used to be known as Acarus scabiei.
(Tyroglyphus) n. a genus of mites. The flour mite, A. siro (T. farinae), is nonparasitic, but its presence in flour can cause a severe allergic dermatitis in flour-mill workers.