Hemlock woolly adelgid (HWA) (Adelges tsugae) is a small aphid-like insect native to Asia that is now threatening eastern hemlock (Tsuga canadensis) and Carolina hemlock (Tsuga caroliniana). To learn more about this species, visit our HWA Species Profile. Below you will find information on the SLELO PRISM efforts in surveying for HWA.
Of the 57 HPA’s searched in 2019-2020, no Hemlock Woolly Adelgid were detected.
View a short video on the SLELO PRISM’s 2019-2020 HWA Field Surveys: