The hemlock woolly adelgid is a teeny-weeny little pest - an adult is about the width of a human hair – but the invasive species can do big-time damage. This woolly bully feeds on hemlock ...

The Hollow Oak Team ready to treat hemlocks on Trout Run trail. Autumn Anderson (left), Dillon Penrod (center), Angelo Theofanous (right). A non-native invasive insect, the hemlock woolly adelgid ...

Infestations of hemlock woolly adelgid have been confirmed in Allegan, Ottawa, Muskegon, Oceana and Mason counties. Read: Meet Michigan’s 8 invasive insects: What they are, the damage they cause ...

causing significant damage. The National Park Service reported a loss of 80-90% of eastern hemlocks at some sites. The hemlock woolly adelgid is one of 66 nonnative species analyzed by researchers ...

At first, the damage to forests was alarming ... The Sasajiscymnus tsugae chows down on the invasive hemlock woolly adelgid, its exclusive food source. From 1995 to 2007, more than 176,000 ...

accessibility and current damage from HWA. Penn State Extension offers a publication with treatment options titled "Integrated Approach to Hemlock Woolly Adelgid Mitigation," which can be found on ...

Cheah has studied the hemlock woolly adelgid for 30 years and has ... According to new U.S. Forest Service insect research, the adelgid caused damage across almost 6,000 acres of Eastern hemlock ...

You may not have heard of 'Hemlock woolly adelgid' but it's making a serious impact on forests across parts of Canada. These invasive species are harming eastern hemlock trees. Hemlock woolly ...

causing significant damage. The National Park Service reported a loss of 80–90% of eastern hemlocks at some sites. The hemlock woolly adelgid is one of 66 nonnative species analyzed by ...