Dermacentor andersoni
Synonym(s): Rocky Mountain wood tick
Introduction
Classification
Taxonomy
- Class: Arachnida; subclass: Acari
- Order: Metastigmata or Ixodida
- Family: Ixodidae
- Genus: Dermacentor
- Species: D. andersoni
Distribution
- Widely distributed in the Rocky Mountain States of the United States but can be found in Western North America from Mexico to British Columbia.
- Prefer moist grassland with brush covered areas.
Significance
- Vector of Rickettsia rickettsi Rickettsia rickettsii (Rocky Mountain spotted fever Rocky Mountain Spotted Fever (RMSF) ) in dogs and humans.
- Vector of tularaemia Tularemia (Francisella tularensis Francisella tularensis ), a human bacterial infection.
- Infestations may cause self trauma, dermal hypersensitivity in susceptible individuals and secondary pyoderma Skin: external parasite bite reaction.
- Tick paralysis Neurology: tick paralysis from salivary secretions if sufficient numbers attach to host, primarily a problem in calves.
- Large numbers may cause anemia.
Active Forms
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Resting Forms
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Clinical Effects
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Diagnosis
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Further Reading
Publications
Refereed papers
- Recent references from PubMed and VetMedResource.
- Niebylski M L, Peacock M G & Schwan T G (1999) Lethal effect of Rickettsia rickettsi on its tick vector (Dermacentor andersoni). Applied Environmental Microbiology 65 (2), 773-778 PubMed.
Other sources of information
- Wall R & Shearer D S (Editors) (2008) Veterinary Ectoparasites: Biology, Pathology and Control, 2nd edn, Blackwell Science Ltd, London, pp 71-74.
- Baker A S (1990) Mite and ticks of domestic animals: An identification and information source. The Natural History Museum, The Stationery Office, London, pp 176-179.