Round, white hemlock woolly adelgid ovisacs are found on the undersides of branches near the base of the needles. (Michigan Department of Natural Resources) The Michigan Department of Natural ...
n adult specimen of the Hemlock woolly adelgid, Adelges tsugaeis, shown in a handout photo from the Connecticut Agricultural Experiment Station Archive. (Connecticut Agricultural Experiment Station ...
GRAND RAPIDS, Mich. (WOOD) — If you have hemlock trees on your property, the time to protect them from a deadly invasive insect is approaching. The Michigan Department of Natural Resources says spring ...
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