Cacopsylla pyricola (Foerster) (Hemiptera: Psyllidae) Updated by Louis Nottingham, Robert Orpet, WSU Entomology; Tianna DuPont, WSU Extension. May 2022. Adapted from by Everett C. Burts, Helmut Riedl, and John Dunley, originally published 1993. Pear psylla is an important pest of pear in Washington. Honeydew produced by pear psylla causes fruit russet, and serious infestations can […]
IPM was as effective as conventional management at controlling pear psylla by Molly Sayles, Robert Orpet, and Louis Nottingham November 28, 2022 IPM works by having a spray program that promotes natural enemies, which provided effective (and free!) control of pear psylla. This season revealed that IPM can control pear psylla as effectively as conventional […]
Sticking the landing, post-harvest psylla populations by Chris McCullough, Robert Orpet, Molly Sayles, and Louis Nottingham November 7, 2022 During the 2022 pear growing season, our WSU pear entomology team monitored pear psylla and its natural enemies (predators and parasitoids) across orchards in the Wenatchee Valley. Orchards were either conventional, organic, or followed our new […]
October 27, 2022 The October 2022 issue of the Good Fruit Grower featured our ginormous codling moth project covering 45 sites across 6,500 square miles of Central Washington. The project is led by Nottingham lab postdoc Rob Curtiss with assistance from research technician Toriani Kent. In the past few years, a resurgence of codling moth […]
June 10, 2022 Early-Career Parenting: Surviving, If Not Thriving by Katlyn A Catron, PhD This article was originally published in the Summer 2022 edition of “American Entomologist” https://doi.org/10.1093/ae/tmac040 The early stage of an entomologist’s career is filled with difficult decisions: do I take a postdoc, an industry job, or just light my degrees on fire […]
March 1, 2022 Pear Psylla Phenology IPM Guide will help manage pear psylla using the new degree day model! As temperatures warm and the snow melts, it is time to think about pear psylla management. In warmer areas like Oregon and southern Washington, psylla are already back in the orchards and laying eggs. In central […]
February 10, 2022 Pear psylla phenology, pre‐bloom kaolin, and insect growth regulators, summer pruning, timing honeydew washes, summer covers, fall kaolin. A presentation by Louis Nottingham, WSU Entomology at North Central Washington Tree Fruit Days, January 20, 2022.
February 22, 2021 Be BRAVE: Pear Psylla Management On Thursday, February 18, 2021 as part of an OSU/WSU webinar, Stijn van Laer gave a talk on pear psylla management in northern European pear orchards. Stijn is a crop consultant that works for company called FruitConsult based in Belgium. They are a private consulting firm that […]
Join us for pear study circles this winter – they’re free! It’s a great learning opportunity for growers, consultants, researchers, and industry professionals. Our goal is to improve pear profitability and sustainability. Each study circle will include a 30 minute presentation and 2 hours of facilitated discussion. Topics include: Oct 19, 2021 – Choosing products […]
2020 and 2021 Leafhopper Insecticide Trials By Dr. Louis Nottingham and Dr. Katlyn Catron Methods: Colladonus reductus leafhoppers were collected from organic or unsprayed orchards’ groundcover (Fig. 1) via sweep nets, then returned to the lab. Leafhoppers were exposed to insecticides by direct sprays or previously treated leaves from cherry trees. After exposure, leafhoppers were […]
