Hazelnut IPM

Resources about integrated pest management for hazelnuts.

Hazelnut Pest and Beneficial Insects: An Identification Guide

With color photos and text, describes principal insect pests of hazelnuts (filberts) including life stages, symptoms of infestation, and techniques for sampling population levels. Also describes beneficial insects (generalist natural enemies) that can combat pest insects.

Vaughn Walton | Jun 2009 | OSU Extension Catalog

Identification of Invasive and Reemerging Pests on Hazelnuts

Describes key identification features, life cycle, and pest status of filbertworm, filbert weevil, filbert aphid, and hazelnut aphid. Includes color photos.

Vaughn Walton | Dec 2007 | OSU Extension Catalog

2020 Hazelnut Pest Management Guide for the Willamette Valley

Learn how to control insects, weeds and disease during each stage of hazelnut growth. View the app version New! Sort and filter by crop stage, disease or pest on a web-based app. Try the app

Nik Wiman, Jay Pscheidt, Marcelo Moretti | May 2020 | OSU Extension Catalog

2020 Pest Management Guide for Walnuts: Willamette Valley

Recommendations for insect, mite and disease control in walnut orchards.

Nik Wiman, Jay Pscheidt, Marcelo Moretti | Jun 2020 | OSU Extension Catalog

New Pest Alert: Cherry Bark Tortrix Moth

Describes cherry bark tortrix and methods for control.

Jun 1993 | OSU Extension Catalog

Integrated Pest Management Strategic Plan for Hazelnuts in Oregon and Washington

Growers, commodity-group representatives, pest-control advisors, processors, university specialists, and other technical experts from the hazelnut industry in Oregon and Washington assembled this plan, which outlines major pests, current ...

Katie Murray, Paul Jepson | Jan 2019 | OSU Extension Catalog

For more information about Orchard Nut IPM, please visit:

If you are interested in contributing to this Extension program, you can learn more or donate directly by using the "Donate" button here. Thank you for your generosity and support.

May 2019

Nik Wiman

Orchard Crops Specialist

Vaughn Walton

Entomologist

Jay Pscheidt

Plant Pathologist

Marcelo Moretti

Assistant Professor

David Lowenstein

Postdoctoral Research Associate, Brown Marmorated Stink Bug Project (Former)

Heather Andrews

Orchard Crops Faculty Research Assistant

Rachele Nieri

Postdoctoral research associate

Want to learn more about this topic? Explore more resources from OSU Extension: Hazelnuts and Nut Crops, Insects, Integrated Pest Management

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