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Pests of Alfalfa Grown for Seed Doug Walsh Latest revision: March 2022 In all cases, follow the instructions on the pesticide label. The PNW Insect Management Handbook has no legal status, whereas the pesticide label is a legal document. Read the product ...
Dry Edible and Seed Pea Pests Sanford Eigendbrode Latest revision: March 2022 In all cases, follow the instructions on the pesticide label. The PNW Insect Management Handbook has no legal status, whereas the pesticide label is a legal document. Read the ...
Emerging Insect Pests in the Pacific Northwest Michael R. Bush, Christopher Adams, and Sven Spichiger Latest revision: March 2023 Non-native insect pests are species that have extended their range from their native habitat to a new area. This movement ma ...
Gypsy moth Michael R. Bush, Christopher Adams, and Sven Spichiger Latest revision: March 2023 The European gypsy moth (Lymantria dispar dispar) was detected in Washington in 1974. Since the early 1990s, another variety of gypsy moth, the Asian gypsy moth ...
Japanese beetle Michael R. Bush, Christopher Adams, and Sven Spichiger Latest revision: March 2023 The Departments of Agriculture in Oregon and Washington State have trapped adult Japanese beetles (Popillia japonica) for over 30 years. Isolated infestati ...
Spotted-wing Drosophila: An Emerging Berry and Stone Fruit Pest Vaughn Walton Latest revision: March 2023 Spotted-wing drosophila (SWD; Drosophila suzukii; Family: Drosophilidae) is a key pest that targets a wide variety of susceptible fruits including t ...
Emerging Pests- New in 2019 and later Michael R. Bush, Christopher Adams, and Sven Spichiger Latest revision: March 2023 ...
Cabbage whitefly (2016) Aleyrodes proletella While cabbage whitefly is primarily a new pest of brassica crops. It also attacks other brassicas that are bedding plants and ornamentals. Pest description and damage Cabbage whitefly adults and nymphs are like ...
Ash whitefly (2015) Siphoninus phillyreae Ash whitefly was detected in California in 1988 and continues to spread to neighboring states to the south. By 2014, it was found in Oregon. Clouds of whiteflies are seen in the late summer and autumn in the Willa ...
Banded-winged whitefly (2015) Trialeurodes abutiloneus The banded-winged whitefly (BWW) is relatively new to the PNW. It has been detected near the gorge in eastern Oregon, and a cloud of whiteflies with bands on their wings. BWW was reported near the sam ...