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Hemlock Woolly Adelgid: Know the Signs

Hemlock Woolly Adelgid (HWA) is an invasive insect that is increasing in abundance throughout western New York. As one of our only native coniferous tree species, hemlock is essential for not only providing habitat for insects and animals but also preventing erosion along the streams where it commonly grows. Infestation by Hemlock Woolly Adelgid can result in tree decline and death within a few years. 


Trees displaying early signs of infestation can be saved through treatment. The Land Conservancy recently received a Great Lakes Restoration Initiative grant to form an alliance with local partner organizations to monitor for and treat newly detected hemlock wooly adelgid infestations at properties throughout western New York, and we are thrilled to do our part preventing the spread of HWA.


Although you're more likely to spot HWA in the winter, when branches are covered in snow, it's good to know the signs. You too can help prevent the spread of HWA. To learn more we encourage you to visit the New York State DEC's wooly adelgid page on its website.



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