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Tiny cotton ball-looking masses clinging to the branch of a hemlock tree can mean the death of their host and danger to the forest around them. An invasive insect has been spreading along Michigan's ...

Otto, NC – New research by U.S. Forest Service Southern Research Station (SRS) scientists and partners suggests the hemlock woolly adelgid is killing hemlock trees faster than expected in the southern ...

It’s a warm day in early June, and researcher Nicholas Dietschler is standing in front of an eastern hemlock sapling about a quarter of a mile up a steep ridge in New York’s Catskill Mountains. The ...

“Exchange Tree,” installation in Harvard Forest, wood and acrylic paint. Collaborators: David Buckley Borden, Aaron Ellison, Salvador Jiménez-Flores, and Salua Rivero (courtesy David Buckley Borden) ...

ANN ARBOR, MI — An invasive pest that’s killing hemlock trees along Lake Michigan has been discovered at a University of Michigan arboretum in Ann Arbor. The Michigan Department of Agriculture and ...

(CBS DETROIT) - After seven counties report detections in west and northwest Michigan, an invasive insect is found in Washtenaw County. Hemlock Woolly Adelgid (HWA) is a small aphid-like bug that ...

A half-dozen browned hemlock trees is an unsettling sight for Juneau resident Lisa Meyers, especially when they’re in close vicinity of her home. “I had to live in California for 25 years, so I’m kind ...

As the climate warms, New England forest species face increasing threats of changing temperature, precipitation and invasive threats. Associate professor of American environmental studies Brian ...

The hemlock tree is one of the most admired and impressive trees in the mountains of North Carolina. Hemlocks are native to the eastern United States and can live for as long as 800 years. They are ...