Our native eastern hemlock tree is rather unique ... Eastern hemlock has declined in most parts of its range since European ...

If left untreated, HWA infestations can result in hemlock tree death within 3-5 years of infestation ... In the U.S., all HWA reproduction is asexual, but a sexual generation does occur in its native ...

a way to identify the endangered eastern hemlock trees in the area. Researchers need outdoor enthusiasts to help find the residual healthy hemlock trees in a faltering population. Currently ...

Eastern hemlock trees are a vital foundation species in Pennsylvania forests, supporting the ecosystem and enhancing aesthetics. The hemlock woolly adelgid (HWA), an invasive insect, poses a ...

In Van Buren County, forest health technicians with the Michigan Department of Natural Resources (DNR) Parks and Recreation Division found two hemlock trees infested with invasive hemlock woolly ...