Pacific Coast Tick
- One of the most commonly found ticks in California
- Found throughout the state except for the very dry regions of the central valley and the southeastern desert region
- Oregon and Baja, Mexico (Furman and Loomis 1984)
- Three-Host Tick: Commonly feeds on rodents – especially squirrels – as sub adults; and on cattle, horses, deer, and humans as adults
American Dog Tick
- Widespread throughout the United States as well as parts of Canada and Mexico.
- In California, most frequently found along the coastal ranges along the length of the state; have been found in the central valley and along the eastern Sierra range (Furman and Loomis 1984).
- Three-host tick: Feeds on rodents and lagomorphs during its sub adult life stages, and large mammals – frequently canids and humans – as adults
- Most important carrier of the Rocky Mountain spotted fever rickettsia in the eastern United States
- Also transmits the bacteria that causes tularemia (hunter’s disease)
- Responsible for tick paralysis in some states