IDHWA

Invasive Hemlock Woolly Adelgid (HWA) Adelges tsugae

Invasive Hemlock Woolly Adelgid (HWA) Adelges tsugae is an invasive pest that is threatening Eastern and Carolina hemlocks. This small aphid-like insect sucks sap from young twigs, resulting in discoloration and loss of needles, eventually killing the tree.

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