Native to East Asia.

It 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 carolinianaInvasive > learn+quiz Invasive > in USA+Canada Invasive > report it! Invasive > in Michigan Invasive > more info in Michigan

For kids!  This plant described in invasive species placemat series (print "Shrink oversized pages" or "Poster" or on 17"x11" paper).

Learn more about hemlock woolly adelgid (HWA) Adelges tsugae

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