ID#: 2279
Caption:
Under a magnification of 779X, this scanning electron microscopic (SEM) image depicts an enlarged view of mouth parts of an American dog tick, Dermacentor variabilis. Ticks are of the class Arachnida, as are spiders and mites. D. variabilis is a known carrier of Rocky Mountain Spotted Fever (RMSF) caused by the bacterium, Rickettsia rickettsii.
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Content Provider(s): CDC/ Janice Haney Carr
Creation Date: 2002
Photo Credit: Janice Haney Carr
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Copyright Restrictions: None - This image is in the public domain and thus free of any copyright restrictions.