HWA Survey Season
Once again it’s that time of year to brave the cold for conservation sake! That’s right, the season for surveying Eastern Hemlock trees (Tsuga canadensis) for the presence of Hemlock Woolly Adelgid (Adelges tsugae) has officially begun. Commonly referred to as HWA, Hemlock Woolly Adelgid is an aphid-like invasive insect that specifically attacks species within the Tsuga genus. Within the United States, four species of hemlock exist: Western and Mountain hemlock in the Pacific Northwest and Eastern and Carolina hemlock throughout the east. Each of these species are fair game for...
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