Discovering and Exploring the Leaf-feeding Insects in Our Region

Pacific Northwest (PNW) Defoliators

About This Website

Welcome to this new and developing website. Pacific Northwest Defoliators is intended as an educational public outreach resource to provide accurate information on the diverse plant-feeding insects in the Pacific Northwest. It is for landscape managers, home gardeners, educators or anyone interested in the diversity of defoliators in the region. Initial focus are the species most commonly found in the Puget Sound area and will be expanded as the site develops to include additional information and links. Information on other species will be added as input from surveys and public participation are collected.

Participating Agencies and Contact Information

Eric LaGasa Washington Department of Agriculture (WSDA) Survey, IDs
Todd Murray Washington State University (WSU) Survey, IDs
Chris Looney Washington Department of Agriculture (WSDA) Survey, IDs
Robin Rosetta Oregon State University (OSU) (Ornamentals)
Sharon Collman Washington State University (WSU) (Ornamentals)
Dave Holden Agriculture Canada Specimens, IDs
Richard Worth Oregon Department of Agriculture (ODA) Specimens, IDs
Steven Passoa US Department of Agriculture, Animal and Plant Health Inspection Service (USDA- APHIS)  

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Contact Us at Washington State University or Contact Us at Washington State Dept. of Agriculture