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Spongy moth Michael R. Bush, Christopher Adams, and Sven Spichiger Latest revision: March 2024 Formerly known as the gypsy moth, the spongy moth (Lymantria dispar dispar) was first detected in Washington in 1974. Since the early 1990s, another variety of ...
Japanese beetle Michael R. Bush, Christopher Adams, and Sven Spichiger Latest revision: March 2024 The Japanese beetle (Popillia japonica) has been established in the eastern United States since the early 1900’s. Efforts to slow the spread by the USDA ha ...
Spotted-wing Drosophila: An Emerging Berry and Stone Fruit Pest Vaughn Walton Latest revision: March 2024 Spotted-wing drosophila (SWD; Drosophila suzukii; Family: Drosophilidae) is a key pest that targets a wide variety of susceptible fruits including t ...
Brown Marmorated Stink Bug: An Emerging Threat to Pacific Northwest Agriculture Nik G. Wiman Latest revision: March 2024 The brown marmorated stink bug (BMSB) (Halyomorpha halys) (Hemiptera: Pentatomidae) is a highly damaging invasive crop pest that feed ...
Emerging Insect Pests in the Pacific Northwest Michael R. Bush, Christopher Adams, and Sven Spichiger Latest revision: March 2024 Non-native insect pests are species that have extended their range from their native habitat to new areas. This movement may ...
Emerging Insect Pests Michael R. Bush, Christopher Adams, and Sven Spichiger Latest revision: March 2024 (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. ...