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Emerald Ash Borer Readiness and Response Plan for Oregon

The Oregon Department of Forestry and Oregon Department of Agriculture outline important steps, highlight tools and resources already available, and guide the state’s approach to handling an emerald ash borer (EAB) infestation at all stages.

Mar 2021 | Online resource

Pest Alert: Spotted Lanternfly is an Invasive Insect That May Impact Oregon

Spotted Lanternfly has a broad range of plant hosts, including grape, stone fruits, apple, ornamental species, maple, black walnut, willow and rose. Nymphs and adults are phloem feeders. They suck sap from young ...

Serhan Mermer, Gabriella Tait, Josh Vlach, Jana Lee, Man-Yeon Choi, Heather Leach, Linda Brewer, Vaughn Walton | Mar 2021 | Extension Catalog publication Peer reviewed (Orange level)

A Pocket Guide to Common Natural Enemies of Nursery Crops and Garden Pests in the Pacific Northwest

Learn how to identify some common insects that prey on garden pests. See what they look like at various life stages, and learn how to encourage beneficial insects in your garden or nursery. Print this pocket guide on letter-size paper and cut pages as indicated to make a booklet.

Melissa Scherr, Robin Rosetta, Lloyd Nackley | Mar 2021 | Extension Catalog publication Peer reviewed (Orange level)

Guide to Ground Beetles in Grass Seed Crops Grown In the Willamette Valley, Oregon

Ground beetles are an integral component of biological control in agricultural fields, but information on the species that are present in Oregon and throughout the United States is surprisingly limited. This guide ...

Inga Reich, Casi Jessie, Andrew Colton, Mike Gormally, Rory Mc Donnell | Feb 2021 | Extension Catalog publication Peer reviewed (Orange level)

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.

A: View answer | View all featured questions

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 18, 2020 | News story

The great Oregon squash bee hunt!

A fascinating new bee is in the process of spreading its range to Oregon — the squash bee. Unlike honey bees, squash bees hone in on one type of plant. Learn more about this bee and help track its arrival in Oregon.

Miranda Jones | Nov 2020 | Article Peer reviewed (Gray level)

Five weird winter insects

Now that winter is settling in, gardening questions to the Extension office have diminished - but haven’t disappeared completely. After questions about transitioning plants to indoors and overwintering, winter questions are often ...

Nicole Sanchez | Nov 2020 | Article

I have strawberry root weevil, are nematodes an option?

Q: I have several peonies in my front yard. The edges of the leaves are badly eaten by strawberry root weevil. How can I remove the strawberry root weevil? Is it worth doing?