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.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

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.
Farlex Partner Medical Dictionary © Farlex 2012

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.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
Infrequency of Rickettsia rickettsii in Dermacentor variabilis removed from humans.
Spotted-fever group Rickettsia in Dermacentor variabilis, Maryland.
Numbers presented are prevalence (percent of hosts infested) and numbers of males (M), Females (F) and Nymphs(N) col-lected for each ectoparasite species Virginia Ectoparasite species opossum Raccoon Tick: Dermacentor variabilis 83%, 42M, 44F 100%, 41M.47F Fur mite: Didelphilichus serrifer 17%, 3M, 9F -- Chewing louse: Neotrichodectes -- -- mephiditis Fleas: Euhoplopsyllus glacialis 11%, 1M affinis Pulex simulans 83%, 25M, 31F 22%, 1M, 6F Ectoparasite species Striped skunk Tick: Dermacentor variabilis 100%, 5M, 11F Fur mite: Didelphilichus serrifer -- Chewing louse: Neotrichodectes 100%, 1N mephiditis Fleas: Euhoplopsyllus glacialis affinis Pulex simulans
Sin embargo, en una investigacion [24] se identifica la especie Dermacentor variabilis en perros de Venezuela, la cual no fue encontrada en el presente reporte.
rickettsii in the United States: Dermacentor variabilis and De.
Tick paralysis: three cases of tick (Dermacentor variabilis Say) paralysis in Virginia: with a summary of all the cases reported in the Eastern United States.
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.
The tick, Dermacentor variabilis, releases a toxin that interferes with nerve transmission.
HGE patients have reported being exposed to or bitten by Ixodes scapularis or Dermacentor variabilis ticks.
In eastern Tennessee, public awareness and concern about ticks focuses primarily on the abundant lone star ticks (Amblyomma americanum) and American dog ticks (Dermacentor variabilis) encountered during the spring and summer.
Desiccation of eggs (Dermacentor variabilis) occurred when RH was reduced 6-8 h daily, fewer eggs hatched at 85% than 95% RH (Sonenshine and Tigner 1969), and weight and hatchability of Boophilus decoloratus eggs were reduced at lower RH (Rechav and Maltzahn 1977).