Dermacentor variabilis


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Related to Dermacentor variabilis: Rocky Mountain spotted fever, Dermacentor andersoni

Dermacentor

 [der″mah-sen´ter]
a genus of ticks parasitic on various animals, and vectors of disease-producing microorganisms.
Dermacentor anderso´ni a species of tick common in the western United States, parasitic on numerous wild mammals, most domestic animals, and humans. It is a vector of Rocky Mountain spotted fever, tularemia, Colorado tick fever, and Q fever in the United States, and is the cause of tick paralysis.
Dermacentor varia´bilis the chief vector of Rocky Mountain spotted fever in the central and eastern United States, the dog being the principal host of the adult forms, but also parasitic on cattle, horses, rabbits, and humans.

Der·ma·cen·tor va·ri·a·'bi·lis

the American dog tick, a species that is a common pest of dogs along the eastern seaboard of the U.S., a vector of tularemia, and a principal vector of Rickettsia rickettsii that causes Rocky Mountain spotted fever in the central and eastern U.S.; may also cause tick paralysis.

Der·ma·cen·tor va·ri·a·bi·lis

(dĕr-mă-sen'tōr va-rē-ab'i-lis)
The American dog tick, a common pest of dogs along the eastern seaboard of the U.S., a vector of tularemia, and a principal vector of Rickettsia rickettsii, which causes Rocky Mountain spotted fever in the central and eastern U.S.; may also cause tick paralysis.

Dermacentor

a genus of ticks parasitic on various animals, and vectors of disease-producing microorganisms; member of the family Ixodidae.

Dermacentor albipictus
a one-host tick that transmits anaplasmosis and possibly Rocky Mountain spotted fever. Parasitizes moose mostly but also other wild ruminants and pastured livestock. Called also moose tick, winter tick.
Dermacentor andersoni
a species of tick common in the western USA, parasitic on numerous wild mammals, most domestic animals, and humans. It is a vector of Rocky Mountain spotted fever, tularemia, Colorado tick fever, and Q fever in the USA, and is one of the causes of tick paralysis in USA.
Dermacentor halli, Dermacentor marginatus, Dermacentor nuttalli, Dermacentor silvarum
miscellaneous ticks of little importance to animals.
Dermacentor nigrolineatus
a one-host tick occurring mostly on white-tailed deer, but also on pastured livestock. Called also brown winter tick.
Dermacentor nitens
a one-host tick that parasitizes horses mostly and is the vector of equine piroplasmosis; predisposes animals to screw-worm attack. Called also tropical horse tick, Anocentor nitens.
Dermacentor occidentalis
a three-host tick found on many animals. Immature forms are on rodents. Transmits anaplasmosis, Colorado tick fever, Q fever, tularemia, causes tick paralysis. Called also Pacific Coast tick.
Dermacentor parumapterus
a vector of Rocky Mountain spotted fever.
Dermacentor reticulatus
a three-host tick that transmits equine piroplasmosis.
Dermacentor variabilis
a three-host tick that transmits Anaplasma marginale in cattle, tularemia in humans, is the chief vector of Rocky Mountain spotted fever in the central and eastern USA and causes tick paralysis in the dog. The dog is the principal host of the adult forms, but also parasitic on cattle, horses, rabbits and humans. Called also American dog tick.
Dermacentor venustus
see Dermacentor andersoni (above).
References in periodicals archive ?
Amblyomma americanum, Dermacentor variabilis, Ixodes scapularis, and Rhipicephalus sanguineus are three-host ticks commonly found in the Chattanooga-Hamilton region of Tennessee.
Nine adult Dermacentor variabilis ticks from the attachment project and 45 collected at sites with A.
Infrequency of Rickettsia rickettsii in Dermacentor variabilis removed from humans, with comments on the role of other human-biting ticks associated with spotted fever group rickettsiae in the United States.
In this study, the repellency of the mint Clinopodium glabellum against Dermacentor variabilis was studied using an in vitro assay.
The prevention of attachment and the detachment effects of a novel combination of fipronil, amitraz and (S)-methoprene for Rhipicephalus sanguineus and Dermacentor variabilis on dogs.
HGE patients have reported being exposed to or bitten by Ixodes scapularis or Dermacentor variabilis ticks.
did not detect HRTV RNA in Dermacentor variabilis, the American dog tick (4), but additional tick species inhabit northern New England.
The American dog tick Dermacentor variabilis is the primary vector responsible for transmission in Tennessee.
In the eastern United States, the usual vector of Rocky Mountain spotted fever (RMSF) is the American dog tick, Dermacentor variabilis, while in the West the Rocky Mountain wood tick, Dermacentor andersoni, predominates.
2,6-Dichlorophenol has so far been the only verified attractant sex pheromone of the American dog tick, Dermacentor variabilis (Say), and acts to bring members of the mating pair together.
We collected two species of ticks: Ixodes sculptus from four swift foxes (5%) and Dermacentor variabilis from one swift fox (1%).
On the other hand, some ticks, such as the American dog tick, Dermacentor variabilis, concentrate along paths and roads, presumably because their hosts spend more time along roads than along any single comparable line in the surrounding fields.