Native to East Asia. Invasive > learn+quiz Invasive > in USA+Canada Invasive > report it! Invasive > in Michigan Invasive > more info in Michigan inv. summary sheet

For kids!  This insect described in invasive species placemat series

HWA feeds by sucking sap from hemlock genus Tsuga and spruce genus Picea trees.

In eastern North America, HWA has destroyed large forests, and threatens other forests, of eastern hemlock Tsuga canadensis and Carolina hemlock Tsuga caroliniana.

Learn more about hemlock woolly adelgid (HWA) Adelges tsugae

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