Despite such extensive harvesting, hemlock was able to rebound in population due to the intrinsic biological capacity of the species to survive. Brockman, C.F. 2001. Trees of North America: A Guide to ...

The Hemlock Woolly Adelgid (HWA) is an aphid-like insect that feeds mainly upon Hemlock tree species. HWA was introduced into the eastern United States from Japan in 1951 by the import of infected ...

Without treatment, hemlock trees can die within four years. "Situations like this highlight the crucial role public awareness plays in our fight against invasive species," said Molly Mott ...