Louie Nottingham, Tianna DuPont and Robert Orpet, March 2022
Our goal is to support low-cost and effective pest suppression in pear. These guidelines focus on striking a balance between active intervention and biocontrol for pear psylla and mites. Well-timed and well-selected codling moth sprays in addition to codling moth mating disruption supports the overall program.
Pear Pest Profiles
Management Tools & Cultural Controls
Biocontrol
Data and Reports
Commercial orchard scouting
Pear Psylla IPM Gallery
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Good coverage is a must when applying kaolin clay, pear psylla will find the gaps (Chris McCullough)
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Psylla can find even the smallest gaps in kaolin clay coverage to lay eggs (Chris McCullough)
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Sprayers applying kaolin clay to pear orchards (Chris McCullough)
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A crab spider eating an adult psylla (Molly Sayles)
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A psylla mummy with a Trechnites developing inside it (Chris McCullough)
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Deraeocoris nymph (left) and Trechnites wasp (right) found while scouting (Louie Nottingham)
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Winterform pear psylla on a pear bud (E. Beers)
Contact Information
Dr. Louis Nottingham
Assistant Professor, Entomology
WSU-TFREC
1100 N Western Ave., Wenatchee, WA 98801
louis.nottingham@wsu.edu
540-798-2044 (cell)
https://tfrec.cahnrs.wsu.edu/nottingham/
Dr. Robert Orpet
Postdoctoral Research Associate
Washington State University
Tree Fruit Research & Extension Center
1100 N Western Ave., Wenatchee, WA 98801
robert.orpet@wsu.edu
Tianna DuPont
Tree Fruit Extension Specialist
(509) 293-8758
(509) 713-5346
tianna.dupont@wsu.edu
