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Gypsy moth Michael R. Bush, Christopher Adams, and Sven Spichiger Latest revision:  March 2021 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 2021 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 2022 Spotted-wing drosophila (SWD; Drosophila suzukii; Family: Drosophilidae) is a key pest that targets a wide variety of susceptible fruits including t ...
Image of a female spotted wing drosophila (Drosophila suzukii) above a strawberry
Brown Marmorated Stink Bug: An Emerging Threat to Pacific Northwest Agriculture Nik G. Wiman and Claire K. Donahoo Latest revision:  March 2022 The brown marmorated stink bug (BMSB) (Halyomorpha halys) (Hemiptera: Pentatomidae) is a highly damaging invasi ...
Previous Eradication Programs Michael R. Bush, Christopher Adams, and Sven Spichiger (except Rose Stem Girdler) Latest revision:  March 2021 (Dates in parentheses are when each pest was reported in the Pacific Northwest.) ...
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 ...
Southern green stink bug (2015) Nezara viridula In 2015, the southern green stink bug was reported south of Seattle near Seattle University and Seward Park. This stink bug was abundant and already reached populations damaging to cherries and raspberries. ...
Rose stem girdler (2014) Agrilus cuprescens Pest description and crop damage Rose stem girdler (RSG) is a small copper-green-colored Buprestidae family beetle pest of caneberry crops and ornamental brambles (Rosa and Rubus species spp.). This pest is rela ...
Rose stem girdler figure 1