What’s New?

  • Pear Psylla Integrated Pest Management 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 […]
  • The First Year of the Pear Psylla Phenology-based Management Program Exhibits IPM Success 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 […]
  • Reducing areawide pear psylla winterforms requires an areawide effort 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 […]
  • Codling moth study covers many questions, many miles 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 […]
  • IPM for Psylla Using Kaolin and Reflective Mulch Integrated Pest Management Programs for Pear Psylla, Cacopsylla pyricola (Förster) (Hemiptera: Psyllidae), Using Kaolin Clay and Reflective Plastic Mulch September 1, 2022 Pear psylla, Cacopsylla pyricola (Förster) (Hemiptera: Psyllidae), is the most economically important pest of pears grown in Washington State. Standard conventional management programs involve season-long broad-spectrum insecticide sprays. Although the industry uses some […]