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Lone Star Tick

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Lone Star Tick

Amblyomma americanum

Characteristics

Size:
About 1/4-inch in length.

Color:
Grayish-brown with a white dot that resembles a star in the center top of the abdomen.

Behavior:
Like all ticks, the lone star tick is a bloodsucking ectoparasite. It is often referred to as a wood tick because it is found in wooded areas where mammalian hosts such as deer, raccoon and opossums live. It lives near bodies of water where animals drink as well. Ticks require a blood meal at each stage of life in order to grow, and the female must engorge herself with blood to obtain the nourishment necessary to produce the thousands of eggs she lays. Despite the large number of eggs produced, only a small percentage will make it to maturity. Ticks do not embed their entire head into a host, only the mouthparts. To keep the blood from clotting, the tick will inject an anti-clogging agent. Bites from this tick, along with other closely related species, can cause a severe reaction. Called tick bite paralysis, it only occurs in a relatively small number of people. These ticks also can transmit diseases such as Rocky Mountain Spotted Fever and Lyme Disease. Important Note: If you develop a reddish rash around the site of a tick bite, suffer arthritis-like pain in one or more joints, or have flu-like symptoms that come and go after recently being bitten by a tick, see your physician. The migrating, “bulls-eye” rash is a key symptom of Lyme Disease, and occurs in about 60 percent of people contracting the disease. The rash may not appear as the first symptom. Flu-like symptoms, fatigue, neck and head pain, and other symptoms may occur first or in lieu of the rash.

Habitats

Lone star ticks are primarily found in the Southwest U.S., beginning in Texas. They frequent wooded areas and fields and are more common around homes and buildings in secluded or rural areas. In some parts of Texas, fire ants prey upon lone star ticks. Unlike the brown dog tick, this species is rarely found living indoors. If inside, it will be found on dogs or cats.

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lone star tick
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