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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 ). It is one of the best-known hard ticks.
- Rhipicephalus sanguineus
Rhipicephalus sanguineus, commonly called the brown dog...
- Tick
Ticks are parasitic arachnids of the order Ixodida. They are...
- Rhipicephalus sanguineus
Dermacentor variabilis (Say), also known as the American dog tick or wood tick, is found predominantly in the United States, east of the Rocky Mountains, and as its name suggests, is most commonly found on dogs as an adult. The tick also occurs in certain areas of Canada, Mexico and the Pacific Northwest of the U.S. (Mcnemee et al. 2003).
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Ticks are blood-sucking parasites that attach themselves to animals and people. Once attached to a host, ticks feed voraciously. As they feed, ticks can transmit a large number of diseases, including Rocky Mountain spotted fever, ehrlichiosis, Q fever, and Lyme disease. Ticks also release toxins that can harm their hosts.
American dog ticks are typically larger than other Ixodes species, and are characterized by ornate, light-colored dorsal patterns including various shapes such as diamonds and other geometric designs on an otherwise brown to reddish-brown body. These ticks have rounded or oval bodies.
Apr 8, 2010 · The brown dog tick ( Rhipicephalus sanguineus) is the most widespread tick in the world and a well-recognized vector of many pathogens affecting dogs and occasionally humans.
