Amblyomma americanum

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Amblyomma americanum /
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  • Also known as the Lone star tick
  • Where found: Widely distributed in the southeastern and eastern United States.
  • Transmits: Ehrlichia chaffeensis and Ehrlichia ewingii (which cause human ehrlichiosis), Heartland virus, tularemia, and STARI.
  • Comments: A very aggressive tick that bites humans. The adult female is distinguished by a white dot or “lone star” on her back. Lone star tick saliva can be irritating; redness and discomfort at a bite site does not necessarily indicate an infection. The nymph and adult females most frequently bite humans and transmit disease.

Lone star tick (lone_star_tick.jpg)

Map of the United States showing the approximate distribution of the Lone Star tick. The area affected is the eatern half of the country.