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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.
Dermacentor andersoni, commonly known as the Rocky Mountain wood tick, is a hard tick, or member of the Ixodidae family, with three life stages including larvae, nymph, and finally adult, or, more entomologically, imago. This tick is generally located in the northwest United States and southwest Canada along the Rocky Mountains.
The lifecycle of Dermacentor variabilis and Dermacentor andersoni ticks (family Ixodidae) American dog tick (Dermacentor variabilis) range Rocky Mountain wood tick (Dermacentor andersoni) range. Ticks are the natural hosts of the disease, serving as both reservoirs and vectors of R. rickettsii. Ticks transmit the bacteria primarily by their bites.
Dogs can also be protected using tick preventatives. Cases of Rocky Mountain spotted fever occur can also throughout the US and are most commonly reported in North Carolina, Tennessee, Missouri ...
While seed ticks, which are just regular ticks in larval form, are much smaller than regular ticks, they cannot simply be brushed off the body.. According to the Centers for Disease Control and ...
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Dermacentor species are vectors of many pathogens, including Rickettsia rickettsii, which causes the disease Rocky Mountain spotted fever, Coxiella burnetii, which causes Q fever, Anaplasma marginale, which causes anaplasmosis in cattle, Francisella tularensis, which causes tularemia, Babesia caballi, which causes equine piroplasmosis, and the ...
Colorado tick fever (CTF) is a viral infection transmitted from the bite of an infected Rocky Mountain wood tick (Dermacentor andersoni). It should not be confused with the bacterial tick-borne infection, Rocky Mountain spotted fever. Colorado tick fever is probably the same disease that American pioneers referred to as "mountain fever".