Ixodes scapularis: Difference between revisions

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Ixodes scapularis
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* The greatest risk of being bitten exists in the spring, summer, and fall. However, adults may be out searching for a host any time winter temperatures are above freezing.
* The greatest risk of being bitten exists in the spring, summer, and fall. However, adults may be out searching for a host any time winter temperatures are above freezing.
* Four life stages: egg, larva, nymph, and adult
* Four life stages: egg, larva, nymph, and adult
** Only nymph and adult stages can transmit [[Lyme disease]]
** Highest risk of infection is from nymph stage (hard to find and remove) followed by adult female
** Highest risk of infection is from nymph stage (hard to find and remove) followed by adult female
* Ticks wait on the tips of grasses and shrubs for a host to brush against is; they do not jump, fly, or drop from trees
* Ticks wait on the tips of grasses and shrubs for a host to brush against is; they do not jump, fly, or drop from trees

Latest revision as of 16:33, 8 July 2023

  • Also known as the blacklegged tick
  • Where found: Widely distributed across the eastern United States.
  • Transmits: Borrelia burgdorferi and Borrelia mayonii (which cause Lyme disease), Anaplasma phagocytophilum (anaplasmosis), Borrelia miyamotoi (a form of relapsing fever), Ehrlichia muris eauclairensis (ehrlichiosis), Babesia microti (babesiosis), and Powassan virus
    • Coinfections in 5-10%
  • The greatest risk of being bitten exists in the spring, summer, and fall. However, adults may be out searching for a host any time winter temperatures are above freezing.
  • Four life stages: egg, larva, nymph, and adult
    • Only nymph and adult stages can transmit Lyme disease
    • Highest risk of infection is from nymph stage (hard to find and remove) followed by adult female
  • Ticks wait on the tips of grasses and shrubs for a host to brush against is; they do not jump, fly, or drop from trees