Wood Tick, Rocky Mountain Spotted Fever - DermAtlas

Contributor

Bernard Cohen, MD

Diagnosis

wood tick Rocky Mountain spotted fever

Body Site

Age

Pigmentation

Organization

Color

brown black

Morphology

Pattern

Comments

In the United States the most common vectors of Rickettsia rickettsii include Dermacentor variabilis (American dog tick), Dermacentor andersoni (wood tick), and Amblyomma americanum. The adults are active feeders from April to October, and the risketsia e can be transmitted by a bite from an infected tick or contamination of the skin when the tick is being removed or crushed. See clinical images of Rocky Mountain spotted fever in dermatlas.com.

Description

Large (8 m body) 8-legged arachnid; black with brown leather pattern on body and legs

Image Added

10/14/2001 21:37:25

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Other Resources

PubMed Medline Plus Medscape

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