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 ...

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 ...

COLUMBUS, Ohio (WCMH) – As an invasive insect spreads in Ohio, the state Department of Natural Resources is offering to help certain landowners pay for extermination treatments. Hemlock woolly ...

FRANKFORT, MI — Part of the Sleeping Bear Dunes National Lakeshore will be closed this summer due to the northern advancement of an invasive tree-killing pest. The Old Indian Trail off M-22 near ...

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 ...

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 ...

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 ...

VAN BUREN COUNTY, Mich. — A small invasive insect has been detected in two more Michigan counties, making a total of 11 Michigan counties where the pest has been detected and is killing off hemlock ...

FRANKFORT, Mich. – Invasive hemlock woolly adelgid has been found in Benzie County. The new location is around 50 miles north of what was previously thought to be the northern edge of the infestation ...

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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 ...