ID#: 15840
This map of the United States was marked by an area of red, which signified the geographic habitat of the Rocky Mountain wood tick, Dermacentor andersoni, the North American vector of Rickettsia rickettsii, which is the etiologic agent of Rocky Mountain spotted fever. Dermacentor andersoni is found not only in the Rocky Mountain states, but in southwestern Canada as well. The life cycle of this tick, may require up to 2 to 3-years for completion. Adult wood ticks feed primarily on large mammals, while the larvae and nymphs feed on small rodents. See PHIL 10869, for a side-by-side comparative view of both a male and female, D. andersoni tick.
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Content Provider(s): CDC/ Dr. D.B. Francy
Creation Date: 1974
Photo Credit:
CDC Organization
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Copyright Restrictions: None - This image is in the public domain and thus free of any copyright restrictions.