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Haemaphysalis |
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Haemaphysalis /Hae·ma·phys·a·lis/ (he?mah-fis´ah-lis) a genus of hard-bodied ticks, species of which are important vectors of disease.
Haemaphysalis a large genus of small ticks in the family Ixodidae. Haemaphysalis bancrofti found on cattle and marsupials. Called also wallaby tick. Haemaphysalis bispinosa found on cattle. Haemaphysalis chordeilis (syn. Haemaphysalis cinnabarina, Haemaphysalis punctata) found on birds. Haemaphysalis cinnabarina punctata found on most mammals and on birds. Implicated in the transmission of Babesia bigemina, B. motasi, Anaplasma centrale, A. marginale. Haemaphysalis humerosa transmits Q fever. Haemaphysalis inermis a widespread tick. Haemaphysalis leachi leachi occurs on domestic Carnivora and rodents. Called also yellow dog tick. Transmits canine piroplasmosis, Rickettsia conori and Coxiella burnetii. Haemaphysalis leachi mushami occurs on small Carnivora. Haemaphysalis leporispalustris found on rabbits, other small mammals and birds. Transmits Coxiella burnetii, Francisella tularensis Called also rabbit tick. Haemaphysalis longicornis a three-host tick found primarily on cattle, but also on many other mammals including humans. Transmits Theileria spp. and Coxiella burnetii. Haemaphysalis otophila found on rodents. May transmit Francisella tularensis. Haemaphysalis parmata found on Carnivora and antelope. Haemaphysalis punctata see H. cinnabarina punctata (above). |
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Because cleared areas were widely used for grazing of cattle, a major host for adult ticks, these areas favored the proliferation of the tick Haemaphysalis spinigera. Further, ticks are very rarely found on dogs in New Zealand, where PCR studies on the only prevalent species, Haemaphysalis longicornis, have been negative for Bartonella spp. [paragraph]) Tick species tested were Haemaphysalis leporispalustris and Dermacentorandersoni. |
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Haemaphysalis