The hemlock woolly adelgid feeds off the hemlock species that exist in Asia, but those trees have developed a resistance mechanism that, together with certain natural predators, allows the trees to ...

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 ...

Grimes Glen in Naples, Briggs Gully in Honeoye and forest above Canadice and Hemlock lakes are in danger of losing hemlock trees to an invasive insect, hemlock woolly adelgid (HWA). These aren’t the ...

New York state made major progress over the summer in controlling an invasive species that has decimated hemlock trees up and down the East Coast. The hemlock woolly adelgid is native to East Asia, ...

For more than 20 years, conservationists have been fighting a tiny insect killing the region's hemlock trees. Efforts to protect the trees through insecticide and the deployment of natural predators ...

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GRAND RAPIDS, Mich. (WOOD) — The state of Michigan has approved $3.6 million in grants to help fund projects to ward off invasive species, including hydrilla and the hemlock woolly adelgid. The ...