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Parasit: importance
Diseases & bacteria each tick species transmits
| Question | Answer |
|---|---|
| amblyomma americanum: direct | tick worry, tick paralysis, kills 50% of fawn crop annually in oklahoma |
| amblyomma americanum: indirect | theileria cervi - deer protozoan; franciscella tularensis-tularemia; ehrlicia ewingi-canine granulocytic ehrlichiosis; ehrlichia chaffeensis-human monocytic ehrlichiosis; southern tick assoc rash illness; r. rickettsi - RMSF; borrelia spp - lyme |
| amblyomma variegatum: direct | tick worry; damage to cattle skin; lesions often assoc with other infections |
| amblyomma variegatum: indirect | ehyrlichia ruminantium (rickettsia)- heartwater; PREDISPOSES host to dermatophilus congolensis (gram + bacteria)- sporothricosis (fungus), lumpy wool disease |
| amblyomma cajennense: direct | tick worry |
| amblyomma cajennense: indirect | ehrlichia ruminantium (rickettsia) - heartwater |
| amblyomma maculatum: direct | vicious biter; gotch ear; wounds are attractive for screwworm infestations; extreme pain with bite; economic threshold in horses is one tick; tick worry, weight loss |
| amblyomma maculatum: indirect | ehrlichia ruminantium - heartwater; hepatozoon americanum (protozoan) to dogs |
| rhipicephalus (boophilus) annulatus: direct | tick worry, stress |
| rhipicephalus (boophilus) annulatus: indirect | bovine babesiosis (texas cattle fever) via Babesia bigemina (a haemoprotozoan) |
| rhipicephalus (boophilus) microplus: indirect | Babesia bigemina, B. bovis (protozoan of cattle) transovarially; anaplasma marginale (rickettsia of cattle) transstadially or intrastadially (males) |
| rhipicephalus sanguineus: indirect | babesia canis (protozoan of dogs); babesia gibsoni (protozoan of dogs); ehrlichia canis (rickettsia of dogs) |
| rhipicephalus decoloratus: indirect | babesia bovis; babesia bigemina - redwater fever; anaplasma marginale |
| rhipicephalus appendiculatus: indirect | theileria parva parva |
| dermacentor albipicus: direct | tick worry, hair loss, ghosts/phantom moose in Canada; tick paralysis |
| dermacentor albipicus: indirect | anaplasma marginale (rickettsia of cattle) in edwards plateau; babesia caballi (protozoan of horses) transovarially |
| dermacentor andersoni: direct | tick worry; tick paralysis |
| dermacentor andersoni: indirect | anaplasma marginale (rickettsia of cattle) transovarially; rickettsia rickettsi to man/dogs - RMSF; colorado tick fever (virus) |
| dermacentor (anocentor) nitens: direct | tick worry; ear damage, secondary infections |
| dermacentor (anocentor) nitens: indirect | primary vector of babesia caballi (protozoan of horses) in western hemisphere |
| ixodes scapularis: direct | tick worry |
| ixodes scapularis: indirect | babesia microti (protozoan to humans, New england); Borrelia bergdorferi (spirochete) - lyme, primary vector, esp in the north; babesia odocoilei (protozoa) - deer; anaplasma phagocytophilum (rickettsia) - tick borne fever to humans, livestock |
| Ixodes pacificus: indirect | lyme disease on pacific coast (spirochete) |
| haemaphysalis leporispalustrus: indirect | franciscella tularensis (bacteria) - tularemia in rabbits; rickettsia rickettsi (rickettsia) - RMSF in rabbits |
| Otobius megnini: direct | otitis externa / otitis media from secondary infection; muscule fasciculation & colic signs in horses; head tilt; shaking head, head butting |
| argas persicus: direct | anemia |
| ornithodorus spp: indirect | Borrelia spp (spirochete) - relapsing fever; borrelia coriaceae (spirochete) - epizootic bovine abortion in CA |