The tick most often accountable for sending R. rickettsii, the agent of Rocky Mountain spotted fever. This tick is widely distributed east of the Rocky Mountains also happens in minimal places from the Pacific Coast. Dogs and medium sized animals would be the preferred hosts of the tick, even though it feeds easily on other big mammals, including people. The clinical name for United states dog tick is Dermacentor variabilis.
common tick that may send Rocky hill spotted fever and tularemia