dermacentor variabilis - SPORTS
Female Dermacentor variabilis, American dog tick, PHIL image ifrom the CDC/DVBID/Gary Maupin), courtesy Michigan Department of Health and Human Services. CASS COUNTY, MI-- The Michigan Department of ... Dermacentor variabilis, also known as the American dog tick or wood tick, is a species of tick that is known to carry bacteria responsible for several diseases in humans, including Rocky Mountain spotted fever and tularemia (Francisella tularensis).
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Primarily found east of the Rocky Mountains, American Dog ticks (Dermacentor variabilis) are found predominantly in areas with little to no tree cover, such as grassy fields and along walkways and trails. The American dog tick (Dermacentor variabilis) is widely distributed east of the Rocky Mountains, but also occurs in limited areas west of the Rocky Mountains. Newly described D. similis is found west of the Rocky Mountains.
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Dermacentor variabilis is a 3-host tick, targeting smaller mammals as a larva and nymph and larger mammals as an adult. Although it is normally found on dogs, this tick will readily attack larger animals, such as cattle, horses, and even humans. Dermacentor variabalis is a large reddish-brown to gray-brown tick. In Canada, D. variabilis is found from eastern Saskatchewan and east through to Nova Scotia, primarily in the southern portions of each province.
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Dermacentor variabilis (American dog tick) | INFORMATION | Animal ... - ADW American Dog Ticks Dermacentor variabilis. What is an American Dog Tick? Also known as the wood tick, the American dog tick gets its name from the fact that adult ticks prefer to feed on domestic dogs, coupled with the tick species being found only in North America. The American dog tick (scientific name Dermacentor variabilis) is sometimes just called a “wood tick” or “dog tick.” It’s one of the larger hard ticks in the U.S. Adult females are maybe about 5 mm unfed (like the size of a small watermelon seed), and can engorge to the size of a grape when full.
Dermacentor variabilis is a principal vector of R. rickettsii to both dogs and humans in the eastern and central United States, while in the West, D. andersoni is considered the more important vector of R. rickettsii.