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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. Diseases are spread when it sucks blood from the host.
See pictures of what tick bites and rashes look like and get tips from experts on how to identify them. ... Because ticks can transmit many pathogens to humans, ... The American dog tick spreads ...
The American dog tick (Dermacentor variabilis, D. similis) ∎ Location: These ticks are widely distributed east of the Rocky Mountains and in limited areas west of the Rocky Mountains.
American dog tick. American dog tick. Brown dog tick. ... may be triggered by lone star tick bites and potentially other tick species. ... which are more keen on attacking humans, only a small ...
Dogs and medium-sized mammals are the preferred hosts of an adult American dog tick, although it feeds readily on other large mammals, including human beings. This tick is the most commonly identified species responsible for transmitting R. rickettsii to humans.
Tick paralysis is believed to be due to toxins found in the tick's saliva that enter the bloodstream while the tick is feeding. The two ticks most commonly associated with North American tick paralysis are the Rocky Mountain wood tick (Dermacentor andersoni) and the American dog tick (Dermacentor variabilis); however, 43 tick species have been implicated in human disease around the world. [1]
“The American dog tick is probably the second most common tick in Georgia,” she said. “We get a lot of them submitted for identification. ... But they will occasionally bite humans as well ...
Hosts of Dermacentor ticks include many large and small mammals, including horses, deer, cattle, lagomorphs, peccaries, porcupines, tapirs, desert bighorn sheep, and humans. [2] The American dog tick ( D. variabilis ) is a member of the genus.
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