Hemlock woolly adelgid is closing in on a private Adirondack forest where researchers are racing to protect the trees.

Cottony white insects have been found in counties across western and southeastern Michigan, prompting state agencies to issue ...

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 ...

The Michigan DNR says early spring is the ideal time to apply insecticides to protect hemlocks from the hemlock woolly ...

LEELANAU COUNTY, Mich., (WPBN/WGTU)-- An invasive species has been impacting trees in parts of Michigan in recent ...

A U.S. Forest research entomologist discusses efforts to control hemlock woolly adelgid, and what they could mean for the Adirondacks.

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 ...

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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 ...

Two more Michigan counties have been added to the list of places under quarantine for a bug that can kill hemlock trees, state officials said Friday. The Michigan Department of Agriculture and Rural ...

Pennsylvania's state tree is the eastern hemlock. Its scientific name is "Tsuga canadensis."The eastern hemlock was named the state tree in 1931.These trees are slow-growing and long-lived, taking 250 ...

The Pennsylvania legislature designated the eastern hemlock the official state tree on June 22, 1931.This tree thrives in cool, moist sites. It occupies steep north- or east-facing slopes in southern ...