title: The distribution in Oregon of Ixodes pacificus, Dermacentor andersoni, and Dermacentor occidentalis with a note on Dermacentor variabilis (Acarina: Ixodidae).
mesh_terms: D000818:Animals; D003870:Dermacentor / Q000254:growth & development; D004463:Ecology; D005260:Female; D008297:Male; D009922:Oregon; D013987:Ticks / Q000254:growth & development