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 ...

was expressing the value of hemlock trees to the entire ecosystem and the grave risk they face from the hemlock woolly adelgid (HWA). The seed started germinating as he learned about the efforts to ...

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 an ...

That hiker found the Hemlock Woolly Adelgid, Derico said ... Then, a management plan and treatment options will be discussed, as well as funding, Derico said. The insect doesn’t have a predator ...