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Tag Archives: hemlock trees

New Invasive Insects: What you can do to protect your Hemlocks

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Two introduced insects are significantly impacting our state tree’s growth and survival, hemlock wooly adelgid and elongate hemlock scale. Hemlock woolly adelgid (HWA, Adelges tsugae) is an aphid-like insect, native to Asia. HWA feed on tree sap by inserting their mouthparts at the base of the needles and removing plant fluids. Their feeding causes the […]