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Welcome to the Pacific Northwest Nursery IPM Website

Newest pages: Fir coneworm, Glass snails, Hoverflies,Hemerocallis gall midge, Macrosiphum rhamni, symphylans, spotted asparagus beetle; Myzocallis sp. on oak; carnation tortrix

Looking for trouble? Stayed tuned for pest alerts for the 2018 season!

Honeylocust pod gall midge adult has been sighted (March 23, 2017); white pine weevil (Mar. 24, 2017); spittlebugs (May 8, 2017); woolly beach aphid (May 8, 2017);
azalea sawfly (May 10, 2017); cabbage white butterfly (May 18, 2017); elm leafminer (May 23, 2017); hollyhock weevil (May 30, 2017); black cherry aphid (June 5, 2017); roseslug (June 5, 2017)

Early pest activity from last season stimulated the following alerts: (pear blight beetle (Feb. 29, 2016); white pine weevil (Mar. 4, 2016); western tent caterpillar (Mar. 18, 2016); spittlebugs (April 5, 2016); Viburnum leaf beetle (April 11, 2016); elm leafminer (April 19, 2016); woolly beach aphid (April 21, 2016); boxwood spider mite (April 21, 2016); Narcissus bulb fly (April 22, 2016); pear leaf blister mite (April 25, 2016); honeylocust plant bug (April 26, 2016); azalea leaf gall (April 29, 2016); red turpentine beetle (May 3, 2016); rose curculio weevil (May 5, 2016); pale green weevil (May 3, 2016); azalea sawfly (May 28, 2016),


This website has been established to provide educational materials and links for the identification and management of pests in commercial nursery production in the Pacific Northwest.

The PNW Nursery IPM Website is designed to be dynamic, allowing growers and pest management professionals to give and receive information regarding pest activities in nurseries in the Pacific Northwest. For more information on how this works, click on the Intro section of the website.The email Alert system is off-line. It is not taking new subscriptions to the service. I apologise for any inconvenience and hope to rebuild the system, if able.

New Pest activity alerts @PNWNurseryIPM at Twitter.com

This is a constantly expanding website. Many of our links are under construction and will develop further. Watch us grow.

New/Updated Sections


boxwood blight new

aphid management updated
beneficial nematodes updated
crane flies updated
cottony camellia scale updated
Fir coneworms new
Hemerocallos gall midge new
Hoverflies new
Japanese beetles new
Macrosiphum rhamni new
Myzocallis sp. aphids on red oak new
Pacific flatheaded borers updated
pear blight beetle updated
sawflies updated
spotted asparagus beetle new

symphylans new

Glass snails new

Other resources:
Invasive species
Insectary plants
Phenological indicators of pest activity (in process)
Tips for Diagnostics

Find out more about OSU's Nursery, Greenhouse, and Christmas Tree Program OSU Nursery Greenhouse and Christmas Tree Program

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El Servicio de Extensión de Oregon State University prohíbe la discriminación en todos sus programas, servicios, actividades y materiales en base a la raza, color, origen nacional, religión, sexo, identidad de género (incluyendo la expresión de género), orientación sexual, discapacidad, edad, estado civil, estatus de la familia/padres, ingresos derivados de un programa de asistencia pública, creencias políticas, información genética, estado de veterano, represalia o represalia por actividad previa de los derechos civiles.


Thanks for another great

Pest Management Workshops
for Greenhouse and Nursery Growers
Every Thursday in October





Website editor:
Robin Rosetta
Page last modified 1/31/18

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