Exotic Pest Reporting
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Hokkaido gypsy moth
Hokkaido gypsy moth (Lymantria umbrosa) is an insect pest of hardwood trees, shrubs, and plants. It is a native of Asia and was first detected in Washington in 2019.
Defoliation by gypsy moths can weaken trees, making them susceptible to subsequent infection by various pathogens.
11/27/2018 - Preventing Exotic Lepidoptera from Entering the U.S.