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 ...

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

Are you a hiker or a biker? A discoverer or outdoor lover? This is your chance to make a big impact on Tennessee's trails. Adventure Scientists is looking for volunteers to take part in its new ...

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 ...

Hemlock woolly adelgid is an invasive insect in New York Hemlock trees serve an important role in preserving waterways and species that live there. An invasive insect is threatening one of the ...

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

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

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

Hemlocks are one of the most elegant and visually striking of all conifers. They look good in landscapes and have tremendous wildlife benefits, too. However, they are not exactly easy to grow. With ...

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 ...

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 ...