Rhipicephalus sanguineus

• Also known as the brown dog tick
• Where found: Worldwide.
• Transmits: Rocky Mountain spotted fever (in the southwestern U.S. and along the U.S.-Mexico border).
• Comments: Dogs are the primary host for the brown dog tick in each of its life stages, but the tick may also bite humans or other mammals.

Brown dog tick (brown_dog_tick.jpg)

Map of the United States showing approximate distribution of the Brown dog tick. The entire United States is affected.