The insect that is causing all this damage — the hemlock woolly adelgid — was detected in Canada for the first time in Etobicoke in 2012 (probably introduced on infected nursery stock) and was ...

However, the variant of the insect that first turned up in Virginia in the 1950s has proven more damaging to eastern hemlocks and is now affecting over half the range of the trees in the U.S.

A group of volunteers has been working to save a rare stand of centuries-old eastern hemlock trees from a potentially devastating invasive insect. They are injecting individual trees with insecticide.

Eastern hemlocks are an ecologically important tree species found from eastern Canada to the Great Lakes states and south along the entire Appalachian mountain range. The hemlock woolly adelgid ...

Efforts to protect centuries-old eastern hemlock trees from an invasive insect are expanding in Nova Scotia after a volunteer group found success in the Tobeatic Wilderness Area. Last fall, a group of ...

The eastern hemlock tree is a foundational species native to East Tennessee, Virginia, West Virginia, North Carolina, Kentucky and New York, according to Adventure Scientists.

Hemlock Woolly Adelgid (HWA): An invasive, sap-sucking insect pest responsible for the decline of eastern hemlock. Eastern Hemlock: Tsuga canadensis, a foundational tree species pivotal to the ...

"Canopy gaps help eastern hemlock outlast invasive insect." ScienceDaily. ScienceDaily, 18 September 2023. <www.sciencedaily.com / releases / 2023 / 09 / 230918195933.htm>.

Eastern hemlock and balsam fir trees laden with snow in North Berwick, Maine. Topping my list of champions of snowy winters are our fir trees, which have numerous adaptations for wintery conditions.

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 ...

Ecosphere (2012). [4] Anisotropic spread of hemlock woolly adelgid in the eastern United States. Biological Invasions (2009). Back to "Forest Health and Pathology" ...