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Emerging Insect Pests in the Pacific Northwest Michael R. Bush, Christopher Adams, and Sven Spichiger Revised:  March 2021 Non-native insect pests are species that have extended their range from their native habitat to a new area. This movement may be ...
Ongoing Eradication Programs ...
Spotted-wing Drosophila: An Emerging Berry and Stone Fruit Pest Vaughn Walton Revised:  March 2021 Spotted-wing drosophila (SWD; Drosophila suzukii; Family: Drosophilidae) is a key pest that targets a wide variety of susceptible fruits including tree ...
Japanese beetle Michael R. Bush, Christopher Adams, and Sven Spichiger Revised:  March 2021 The Departments of Agriculture in Oregon and Washington State have trapped adult Japanese beetles (Popillia japonica) for over 30 years. Isolated infestations of ...
Gypsy moth Michael R. Bush, Christopher Adams, and Sven Spichiger Revised:  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 (L. ...
Previous Eradication Programs (Dates in parentheses are when each pest was reported in the Pacific Northwest.) ...
Brown Marmorated Stink Bug: An Emerging Threat to Pacific Northwest Agriculture Nik G. Wiman and Claire K. Donahoo Revised:  March 2021 The brown marmorated stink bug (BMSB) (Halyomorpha halys) (Hemiptera: Pentatomidae) is a highly damaging invasive crop ...
Cabbage whitefly (2016) Michael R. Bush, Christopher Adams, and Sven Spichiger 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 ...
Ash whitefly (2015) Michael R. Bush, Christopher Adams, and Sven Spichiger 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 ...
Banded-winged whitefly (2015) Michael R. Bush, Christopher Adams, and Sven Spichiger 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 ...