During New York's 11th annual Invasive Species Awareness Week, arborists and specialists are advising residents of the dozens ...

The fungus does not damage chestnut trees in Asia ... the eastern hemlock and the white ash. The hemlock woolly adelgid first came to the East Coast from Japan in 1951, hitting near Richmond ...

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 in ...

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 ...

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 ...

Two insects have caused significant damage to eastern hemlocks in Pennsylvania. The hemlock woolly adelgid feeds on the sap at the base of the needles, causing the needles, branches and eventually ...

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 ...

(WSAW) - The Wisconsin Department of Natural Resources is asking landowners to be aware of an invasive species that has been detected in Michigan. Hemlock woolly adelgid target hemlock and fir trees.

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 beetles ...

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 ...

balsam woolly adelgid, beech leaf disease, hydrilla, spotted lanternfly, lesser celandine (recently added), cinnamon vine, European water clover, hemlock woolly adelgid, Kudzu, mile-a-minute weed ...