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Hemlock Woolly Adelgid

The Hemlock Woolly Adelgid (Adelges tsugae) feeds and infests hemlock trees, especially the Eastern hemlock, throughout the eastern United States.

The hemlock woolly adelgid and its egg sacs are covered with a white wool-like material and the egg sacs, most noticeable in late spring, resemble tiny white dots clinging to the needles.

Without a regime or treatment, a tree infested with the hemlock wooly adelgid can die within a few years.

The Issue

HWA feeds on the sap at the base of the tree’s needles. This disrupts the flow of nutrients, slows growth and causes the tree’s dark green needles to a gray color, eventually falling off. Lack of nutrients causes the tree to starve to death, usually within three to ten years.

Signs of Hemlock Woolly Adelgid

  • The appearance of white miniature balls mostly on the underside of the needles
  • Color of hemlock changes from green to gray
  • Premature needle drop and thinning

The Solution

If you have hemlocks on your property, or you suspect that your trees are already infested, hemlock woolly adelgid, control methods should be applied immediately. Lynch Plant Healthcare can assess the current or possible future damage and start working with you right away on treatment options.

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Main Office: 508-962-2409

Eric: 508.808.9148
eric@lynchplanthealthcare.com

Bill: 508.967.8235
bill@lynchplanthealthcare.com

 


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