Each Simparica treatment kills fleas (100 percent within 24 hours) and certain species of ticks (almost 97 percent of Lone Star tick, Gulf Coast tick, American dog tick
, black-legged tick, and brown dog tick
) for one month.
* South: Cats are at the greatest risk from the Lone Star Tick (Amblyomma americanum) and the American Dog Tick
. Both transmit the potentially fatal cytauxzoonosis.
The American Dog Tick
(Dermacentor variabilis) feeds on dogs and humans and can spread Rocky Mountain spotted fever.
Counties of collection of positive American dog tick
samples and Minimum Infection Rate.
Likewise, its biting cousin, the American dog tick
(Dermacentor variabilis), also transmits Rocky Mountain spotted fever and tularemia.
TULAREMIA is transmitted to humans by the dog tick
, wood tick and lone star tick.
Leafy wooded areas and grassy meadows are the preferred habitats for blacklegged deer ticks and American dog ticks
, which both spend their larval stage in leaf litter, their nymphal stage on small animals, and their adult stage in tall grass or other shrubby vegetation.
The American dog tick
appears to be abundant in western Nebraska as it parasitized a large percentage of hosts in this study.
The brown dog tick
was collected only in the region Bouhadjar (Table II, Figure 2).
Primary vectors are Dermacentor variabilis (Say) (American dog tick
) in the eastern U.S.
Brown dog tick
Rhipicephalus sanguineus parasitizing the bird Coereba flaveola in the Brazilian cerrado
Otologic examination revealed that a dog tick
was adherent to the tympanic membrane (figure).
outbreak of the disease directly attributable to the brown dog tick
, Rhipicephalus sanguineus.
ATLANTA -- Four cases of Rocky Mountain spotted fever identified in Arizona between 2001 and 2003 represent the first documented outbreak of the infection in which the widely distributed brown dog tick
, Rhipicephalus sanguineus, was the primary vector, Linda J.