New Invasive species making a home in Adirondacks, Lake George areas

“Hemlock Wooly Adelgid is a small invasive forest pest that feeds on Hemlock Trees,” said Jim Esden, Forester, Department of Forest Parks and Recreation.

Hemlock Wooly Adelgid also known as HWA.

The starch from Hemlock trees provides the pest with a food source.

The HWA has an Asian origin and first arrived in the United States in the 1950s.

“When an heiress from Richmond, VA imported some Hemlock seedlings from Japan in order to be a part of creating an arboretum that the public could use,” Esden said.

Fast forward to today and the pest has spread to southern Vermont and New York’s Adirondack region near Lake George.  Click on the following sentence to access the full story.

“Hemlocks are also found in riparian zones, along rivers and streams. Where they keep the water cool and hold the soil to keep it clean. Which is really critical for our aquatic life,” Esden said.


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