2 Types of Ticks in Idaho

2 types of ticks have a verified observation record in Idaho. The most frequently recorded are Rocky Mountain Wood Tick and American Dog Tick. Here is the full list, ranked by how often each is reported on iNaturalist.

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2 types of ticks have a verified observation record in Idaho. The most frequently recorded are Rocky Mountain Wood Tick and American Dog Tick. Here is the full list, ranked by how often each is reported on iNaturalist.

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Real sighting data, source iNaturalist

273 verified observations on iNaturalist of tick have been recorded in Idaho, most often in April, May, June.

When tick are recorded in Idaho

Verified species, source iNaturalist

2 types of ticks recorded in Idaho

2 tick species have a verified observation record in Idaho, each with at least 10 confirmed sightings. The full list, ranked by how often each is recorded, is below.

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    1

    Rocky Mountain Wood Tick

    Dermacentor andersoni

    96 records
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    2

    American Dog Tick

    Dermacentor variabilis

    65 records

Plus 2 more recorded only rarely (fewer than 10 verified sightings). Counts from verified iNaturalist observations.

The Rocky Mountain Wood Tick (Dermacentor andersoni) is the most commonly recorded, with 96 verified observations, about 60% of all ticks reported in Idaho. If you spot a tick here, it is statistically most likely to be this one.

Idaho also hosts less common ticks such as Rocky Mountain Wood Tick and American Dog Tick, each recorded fewer than 100 times. These are the species worth a second look when you are out, since a sighting is more notable.