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How to Identify Your Pest

Why is identification important?

Whether your pest is a weed, insect, animal, microbe, or other organism, correct identification of your pest makes controlling it easier and often more effective. A mistake in identification can lead to improper control tactics that cost time and money. It may also lead to unnecessary risks to people or the environment.

Who can identify pests for me?

Many experts are not able to identify pests by phone or email. He or she may want to see a photograph or sample of the pest; they may even need to examine the area where the pest was found. Here are some tips to keep in mind when trying to identify a pest:



Fact Sheets on Pests in Your Area

Cooperative Extension

Pest Identification Guides and Tools

Pest Management Professionals

Once you have identified your pest, these resources may be helpful:

If you have questions about this, or any pesticide-related topic, please call NPIC at 800-858-7378 (8:00am - 12:00pm PST), or email us at npic@ace.orst.edu.

Additional Resources:

Last updated January 26, 2022

Related Topics:

What are pests?

Learn about a pest

Identify a pest

Control a pest

Integrated Pest Management

What are pesticides?





Natural and Biological Pesticides



Other types of pesticides

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