![Photo of spruce budworm eating hemlock needles.](https://forestrynews.blogs.govdelivery.com/wp-content/uploads/sites/105/2023/08/SpruceBudwormHemlockPupae_LW-300x225.jpg)
Spruce budworm defoliation this spring on hemlock makes the trees look thin. Photo Credit: Linda Williams, Wisconsin DNR
By Linda Williams, DNR Forest Health Specialist, Woodruff; Linda.Williams@wisconsin.gov or 920-360-0665
Spruce budworm is finished feeding for the year, but the damage from the insects is still being observed.
Spruce budworm prefers to feed on balsam fir and spruce, but a previous newsletter article noted that tamarack had been observed as 100% defoliated by spruce budworm. More recently, stands of hemlock with moderate to severe defoliation were also identified.
Continue reading “Hemlock Being Defoliated By Spruce Budworm”