After a year or so, the hemlock may have brown sections as it comes under stress. "If people see those white woolly masses at the base of needles, they should act quickly," Bullas-Appleton said.

Identifying Eastern Hemlock Hemlock woolly adelgid will only feed on hemlocks, so proper tree identification is crucial. If you’re not sure whether your conifer is hemlock, check the color, shape, and ...

The beetles are meant to target hemlock woolly adelgids. Woolly adelgids deposit their egg sacs on hemlock needles, leaving strings of white that resemble fake snow on a Christmas tree. They drain ...

If one or more trees are infested, make plans to act this year. Without treatment, trees infested with hemlock woolly adelgid are likely to die within four to 10 years.

The fungus trades the nitrogen with the host tree, which supplies carbon to the fungus. In this way, white pine trees are acting indirectly as predators, Klironomos said.

As safeguards, residents should avoid placing bird feeders near hemlock trees to avoid transporting hemlock woolly adelgid to new locations. Residents should also brush off shoes, pants, clothes and ...

Now through March 15, New York residents can look for hemlock trees and check for the characteristic white egg masses of hemlock woolly adelgid on the underside of the trees’ twigs.

If you have hemlock trees on your property, the time to protect them from a deadly invasive insect is approaching. The Michigan Department of Natural Resources says spring is the best time to ...

State Department of Agriculture workers are combing the forests of Ottawa County's Park Township this week for signs of a tree-killing bug called the hemlock woolly adelgid.

Hemlock woolly adelgid has been moving north along Lake Michigan since 2015 and is now present in Allegan, Antrim, Ottawa, Muskegon, Oceana, Mason, Benzie, Leelanau and Washtenaw counties. It is ...

This photo shows a tag on a hemlock tree in Duncan Woods along with a hole that was drilled to administer a treatment to kill of the hemlock woolly adelgid. (Matt Jaworowski/WOOD TV8) ...

Non-native beetles, flies introduced in effort to save hemlock trees in Allegheny National Forest 90.5 WESA | By Glynis Board Published December 11, 2023 at 5:30 AM EST U.S. Forest Service ...