Hemlock Woolly Adelgid in Eastern PennsylvaniaWoolly adelgid, Adelges tsugae, is an insect known to kill Eastern Hemlock trees in the Eastern United States. The devastating critter starts its attack by feeding on fluid in the base of hemlock needles. As the adelgid sucks on the branch, it also releases toxins that deprive the infected tree of nutrients and causes the hemlock needles to drop. Without needles, the Eastern Hemlock suffers from starvation. From the time of initial infection, the tree usually lives for three to four years.
Hemlock Woolly Adelgid NeedlesThe woolly adelgid is identifiable by its namesake woolly substance that resembles miniature cotton balls. The insect lays eggs on the bottom of the hemlock branches and uses the woolly material as a protective device. As the hemlock loses nutrients, the tree’s needles will also experience a change from the once vibrant deep green color to a lifeless grayer green.

The pest is fairly easy to manage with a good (IPM) Integrated Pest Management approach. As it is the state tree it is near and dear to the arborists at Preservation Tree. Call today to schedule a consultation for an innovative and sustainable approach to woolly adelgid.

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