title: Tick information sheet. The American dog tick. Dermacentor variabilis.
mesh_terms: D000818:Animals; D001096:Arachnid Vectors / Q000502:physiology*; D003870:Dermacentor / Q000033:anatomy & histology / Q000254:growth & development / Q000502:physiology*; D004283:Dog Diseases / Q000469:parasitology*; D004285:Dogs; D006801:Humans; D009656:North America; D013984:Tick Infestations / Q000469:parasitology / Q000662:veterinary*