Insects

OSU Extension Service provides up-to-date information on insect and arthropod management in Oregon and throughout the country. This includes pest management in urban and agricultural settings, as well as conservation of beneficial insects and pollinator health. We provide resources and expertise to help you find the information you need.

Featured Resources

2020 PNW Insect Management Handbook

Covers pesticide safety and toxicity, protecting bees, adjuvants, mixing tables, calibration, and biological control. Other sections cover a wide variety of agricultural and nonagricultural products such as commercial vegetables, small ...

Apr 2020 | OSU Extension Catalog

Douglas-fir Insect Pests

Douglas-firs usually do not tolerate extreme drought conditions well. In this article, you'll learn the most common insects in a drought-stressed or dead Douglas-fir, the damage they cause, and some suggestions for reducing that damage.

Ellen Michaels Goheen, Don Goheen | Jun 2018 | Article

Encouraging Beneficial Insects in Your Garden

Describes the three types of beneficial insects (predators, pollinators, and parasitoids) and the pests they control. Illustrates common beneficial insects of the Pacific Northwest. Explains how to protect beneficial insects from ...

Jul 2001 | OSU Extension Catalog

Collecting and Preserving Insects

Collecting insects can be a fun hobby, and is also an important step in IPM. The resources in this collection will help you learn how to find and collect insects and arthropods, then prepare them so that they can be useful for identification and research efforts.

Silvia I. Rondon, Mary Corp | Dec 2018 | Collection

Pest Management in Crops

Hazelnut IPM

Resources about integrated pest management for hazelnuts.

Nik Wiman, Vaughn Walton, Jay Pscheidt, Marcelo Moretti, David Lowenstein, Heather Andrews, Rachele Nieri | May 2019 | Collection

Spotted Wing Drosophila (SWD)

Information and resources about monitoring, identification, and management of spotted wing drosophila (SWD), an invasive fruit fly.

Vaughn Walton, Linda Brewer, Bernadine Strik, Patricia Skinkis, Peter Shearer, Jana Lee, Man-Yeon Choi | Dec 2018 | Collection

Brown Marmorated Stink Bug (BMSB)

Information and resources about the brown marmorated stink bug (BMSB), an invasive

Nik Wiman, Rick Hilton, Clive Kaiser, Vaughn Walton, Rachel Suits, David Lowenstein, Victoria Skillman, Heather Andrews | Dec 2018 | Collection

Field Crop IPM

The Agricultural Research and Extension Centers in Eastern and Central Oregon have dedicated faculty focused on IPM (Integrated Pest Management) for potato and seed potato production. Additional resources are available for Western ...

Oct 2019 | Collection

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Latest News

New OSU volunteer program tackles statewide native bee inventory

the Master Melittologist program intensively trains volunteers on the meticulous work of locating and cataloging the bees that no one has seen before.

Kym Pokorny | Dec 17, 2020 | News story

Pandemic leads to unprecedented burst of questions to Ask an Expert tool

Questions have ballooned to 6,625 in the first half of 2020, more than all of the questions answered in 2019.

Kym Pokorny | Jul 29, 2020 | News story

Researchers identify successful biological control for destructive fruit fly

A parasitic wasp has shown tremendous potential attacking and controlling spotted wing drosophila – an invasive, destructive fruit fly that costs Oregon growers close to a billion dollars a year.

Chris Branam | Dec 10, 2019 | News story

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Bees and Pollinators

Integrated Pest Management

Invasive Species

Nuisance Wildlife

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Silvia I. Rondon

Entomologist

Vaughn Walton

Entomologist

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Master Gardener Statewide Coordinator

Nik Wiman

Orchard Crops Specialist

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I have fungus gnats everywhere. Can you help?

Q: I grew several plants outside this last summer Rosemary, Geranium, etc. When I brought them in for winter it seems I now have fungus gnats in all my houseplants. Please give advice. I would prefer not to use chemicals but am getting desperate.

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