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Eastern Hemlock trees (Tsuga canadensis) killed by the hemlock woolly adelgid (Adelges tsugae), an invasive sap sucking insect from Asia, in Shenandoah National Park, Virginia.
Dead Eastern Hemlock trees in Shenandoah National…
Eastern Hemlock trees (Tsuga canadensis) killed by the hemlock woolly adelgid (Adelges tsugae), an invasive sap sucking insect from Asia, in Shenandoah National Park, Virginia.
Dead Eastern Hemlock trees in Shenandoah National…
Eastern Hemlock trees (Tsuga canadensis) killed by the hemlock woolly adelgid (Adelges tsugae), an invasive sap sucking insect from Asia, in Shenandoah National Park, Virginia.
Dead Eastern Hemlock trees in Shenandoah National…
Hemlock woolly adelgid (Adelges tsugae), an invasive sap sucking insect from Asia, eating sap from eastern hemlock trees in Shenandoah National Park, Virginia.
Hemlock woolly adelgid (Adelges tsugae)
Hemlock woolly adelgid (Adelges tsugae), an invasive sap sucking insect from Asia, eating sap from eastern hemlock trees in Shenandoah National Park, Virginia.
Hemlock woolly adelgid (Adelges tsugae)
Illustration of Tsuga canadensis (Eastern Hemlock) with roots
Tsuga canadensis (Eastern Hemlock) with roots
Illustration of Tsuga canadensis (Eastern Hemlock)
Tsuga canadensis (Eastern Hemlock)
Illustration of Tsuga canadensis (Eastern Hemlock) branch
Tsuga canadensis (Eastern Hemlock) branch

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