Rocky Mountain Wood Tick (Dermacentor andersoni)

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Map of Rocky Mountain wood tick — Geographic Distribution of the Rocky Mountain wood tick

Rocky mountain wood ticks (Dermacentor andersoni) are found primarily in the Rocky Mountain are in states such as: Nebraska, South Dakota, Arizona, New Mexico, and California.

Rocky Mountain wood ticks can be distinguished by their red or brown color, and tear dropped shaped bodies. While females have a white colored shield, males have gray and white spots.

Rocky Mountain wood ticks can live for a total of 1-3 years and have 3 stages in a life cycle. Rocky Mountain wood ticks are dependent upon mammalian hosts in all 3 stages of life in order to survive.

Rocky Mountain wood ticks are responsible for transmitting the causative agents of Rocky Mountain spotted fever, which can be transmitted to human hosts.

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