5 Types of Ticks in Oregon
5 types of ticks have a verified observation record in Oregon. The most frequently recorded are American Dog Tick, Western Black-legged Tick and Western Dog Tick. Here is the full list, ranked by how often each is reported on iNaturalist.
Quick Answer
5 types of ticks have a verified observation record in Oregon. The most frequently recorded are American Dog Tick, Western Black-legged Tick and Western Dog Tick. Here is the full list, ranked by how often each is reported on iNaturalist.
More Pages
More tick pages for Oregon
Jump back to the main page for this route cluster.
Real sighting data, source iNaturalist
988 verified observations on iNaturalist of tick have been recorded in Oregon, most often in May, June, April.
When tick are recorded in Oregon
Verified species, source iNaturalist
5 types of ticks recorded in Oregon
5 tick species have a verified observation record in Oregon, each with at least 10 confirmed sightings. The full list, ranked by how often each is recorded, is below.
- No openly licensed photo yet1
- No openly licensed photo yet2
- No openly licensed photo yet3
- No openly licensed photo yet4
- No openly licensed photo yet5
Plus 3 more recorded only rarely (fewer than 10 verified sightings). Counts from verified iNaturalist observations.
The American Dog Tick (Dermacentor variabilis) is the most commonly recorded, with 220 verified observations, about 37% of all ticks reported in Oregon. If you spot a tick here, it is statistically most likely to be this one.
Oregon also hosts less common ticks such as Western Dog Tick, Rocky Mountain Wood Tick and Pacific Coast 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.