Lexic.us

Definition of Dermacentor variabilis

1. Noun. Common tick that can transmit Rocky Mountain spotted fever and tularemia.

Medical Definition of Dermacentor variabilis

1. The American dog tick, a species that is a common pest of dogs along the eastern seaboard of the U.S., a vector of tularaemia, 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. (05 Mar 2000)

Lexicographical Neighbors of Dermacentor Variabilis

Literary usage of Dermacentor variabilis

Below you will find example usage of this term as found in modern and/or classical literature:

1. Handbook of Medical Entomology by William Albert Riley, Oskar Augustus Johannsen (1915)
"... spotted fever may be transmitted by several different species of ticks, notably Dermacentor marginatus, dermacentor variabilis and Amblyomma americanum. ..."

2. Hygiene of Communicable Diseases: A Handbook for Sanitarians, Medical by Francis Merton Munson, John Harington, Francis Randolph Packard, Fielding Hudson Garrison (1920)
"... Missouri; and dermacentor variabilis, Mass.) are able to transmit the virus of Rocky Mountain spotted fever. This implies a possible danger that other ..."

3. Preventive medicine and hygiene by Milton Joseph Rosenau (1917)
"... Ambly- omma americanas linnaeus (Missouri), and dermacentor variabilis (Mass.)] are able to transmit the virus of Rocky Mountain spotted fever. ..."

4. Medical and Veterinary Entomology: A Textbook for Use in Schools and by William Brodbeck Herms (1915)
"In the eastern part of the United States dermacentor variabilis Say is the most common, while along the Pacific Coast it is largely replaced by Dermacentor ..."

5. Contributions to Medical Science by Howard Taylor Ricketts (1911)
"... no adult ticks were tested. In the case of dermacentor variabilis (Mass.) transmission of the virus was effected by nymphs and later by adult ticks. ..."

6. A Laboratory Guide to the Study of Parasitology by William Brodbeck Herms (1913)
"wood tick (dermacentor variabilis) or the Texas fever tick (Margar opus annulatus), before you, study and draw the following characters, making one drawing ..."

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