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UGA photo of hemlock branch infested with Woolly Adelgid at the base of the needles








Close up of infestation




The Woolly Adelgid attach along the branch at the base of the needle growth








They infest the entire branch over time





Branch infested with Hemlock Woolly Adelgid




See the "wooly" covering Adelgid make to create their perfect habitat





Look closely and you will see a "crawler"





Photo of an egg sac






Enlargement of Woolly Adelgid adult & egg sac with the "wooly" covering removed



Woolly Adelgid




Infested hemlock branch





Hemlock showing stress of infestation of Woolly Adelgid




Needles first turn yellow then drop off. This is called Needle Drop







Thinning greenery in crown and lack of luster caused by Woolly Adelgid







Dying Hemlock due to infestation of Woolly Adelgid. A healthy hemlock has deep, high luster, beautiful follage.

Photos taken by assorted agencies and photographers. We appreciate the use of their photos.