Demodex tauri sp. n. (Acari: Demodicidae), a new parasite of cattle.

A new species, Demodex tauri sp. n., is described in all stages of the life cycle from the hair follicles and ducts of the sebaceous glands on the eyelids of cattle in Czechoslovakia. It is compared with other demodicids described from cattle. Observations on the prevalence, habitat, and pathogenicity of the new species are presented.