NORTHERN MICHIGAN (WPBN/WGTU) -- The invasive insect hemlock woolly adelgid has been spotted in many areas in northern Michigan. It's harmful to our native eastern hemlock trees. Some experts say ...

The insecticide Shenandoah staff have been applying is similar ... osakensis’ existence. The hemlock woolly adelgid wasn’t a problem in Japan, so nobody there was looking for a solution. It was only ...

The hemlock woolly adelgid (HWA), a small invasive insect, poses a significant threat to eastern hemlock forests in North America. This pest feeds on the sap of hemlock trees, leading to tree ...

Hemlock woolly adelgid has been moving north along Lake ... each tree is treated during the late spring and summer months with an insecticide to contain and eliminate the infestation.

That hiker found the Hemlock Woolly Adelgid, Derico said ... Derico said. There are insecticide treatments available, but if left untreated, “it can be fairly devastating,” as much of the ...