States Wildlife

Scorpions in Oregon: Species, Stings & Lookalikes

Last checked November 3, 2026 against official sources.

On this page
  1. Which scorpions can hurt you
  2. All 2 scorpions
  3. When they are active
  4. If you are bitten or stung
  5. How to report
  6. What official sources say
  7. About this list
  8. Sources

This page lists 2 scorpions. 1 is venomous by official accounts.

Not every species: no complete official list of Oregon scorpions exists, so this page covers the ones state and Extension sources name. How lists are built.

Which scorpions can hurt you

Official sources single out these scorpions in Oregon, in their own words:

All 2 scorpions

Venomous species first, then A to Z. Do not handle them.

No confirmed photo of Northwest Forest Scorpion

Northwest Forest Scorpion

Venomous per Oregon Poison Center, Oregon Health & Science University

Where in Oregon
But some, including the Northwest Forest Scorpion, have been found in the foothills of the Cascades in Oregon. Oregon Poison Center, Oregon Health & Science University
What the sources say

Venom: “Scorpions have long, curved tipped tails containing venom and pincers for hands.” (Oregon Poison Center, Oregon Health & Science University)

Western forest scorpion (California forest scorpion)
Photo: Alan Rockefeller · CC BY 4.0 · Wikimedia Commons

Western forest scorpion (California forest scorpion)

Uroctonus mordax

Not stated

Venom
No official source we use states whether this animal is venomous. That does not mean it is harmless: do not handle it.
Where in Oregon
These scorpions are found in the mountainous and western parts of California, western Oregon and southwestern Washington. Oregon State University Extension Service
65 records by month.
What the sources say

Habitat: Western forest scorpions can be found in moist wooded areas in Oregon. (Oregon State University Extension Service)

When scorpions are active in Oregon

Records of scorpions in Oregon peak in May to June and August to September. They show when people record scorpions, not how many there are (about month bars).

87 records of scorpions in Oregon by month (GBIF, CC0 and CC BY records).

If you are bitten or stung

Call 911 or Poison Help at 1-800-222-1222 right away. Poison Help connects you to your local poison center, any time of day.

Official advice from Oregon Poison Center, Oregon Health & Science University:

How to report

Invasive species sightings: Oregon Invasives Hotline, oregoninvasiveshotline.org or 1-866-INVADER; wildlife conflicts: local ODFW office (ODFW main phone 503-947-6000) Oregon Invasives Hotline

What official sources say

Are there scorpions in Oregon?

Yes. OSU Extension identifies the western forest scorpion (Uroctonus mordax) in western Oregon; the Oregon Poison Center says the Northwest Forest Scorpion has been found in the Cascade foothills. Oregon State University Extension Service

“These scorpions are found in the mountainous and western parts of California, western Oregon and southwestern Washington.”

About this list

The species list comes from No official list: Ask Extension "Scorpions in Oregon?" (OSU Extension) and Oregon Poison Center Bites & Stings (Oregon State University Extension Service, Published May 2022, Reviewed 2025). 1 more entry comes from other official sources named on each card.

Venom labels come only from official sources and link to them; "Not stated" never means harmless. How labels work.

Sources

  1. Wildlife Viewing. Oregon Department of Fish and Wildlife. undated page; checked November 3, 2026.
  2. Scorpions in Oregon? (Ask Extension featured question). Oregon State University Extension Service. Published May 2022, Reviewed 2025; checked November 3, 2026.
    Quoted passages (1)
    “These scorpions are found in the mountainous and western parts of California, western Oregon and southwestern Washington.”
  3. Bites & Stings. Oregon Poison Center, Oregon Health & Science University (poison-control program serving Oregon). undated page; checked November 3, 2026.
    Quoted passages (3)
    “Scorpions have long, curved tipped tails containing venom and pincers for hands.”
    “Most scorpions found in the U.S. are less toxic than those found in other areas of the world, but may still be painful.”
    “If you are experiencing difficulty breathing or swallowing, seek immediate medical attention by calling 911 or the poison center at 1-800-222-1222.”
  4. Oregon Invasives Hotline. Oregon Invasives Hotline (Oregon Invasive Species Council; "Maintained by Oregon State University"). undated page; checked November 3, 2026.
    Quoted passages (1)
    “Report potential invasive species you've found to the Online Hotline. Your submission will provide vital early detection information to the experts working to stop the next invasion before it starts!”
  5. GBIF.org occurrence records, human observations licensed CC0 1.0 or CC BY 4.0 only, accessed November 3, 2026. The datasets behind these counts are listed on our Sources page.