HWA Found in Antrim County, Winter 2024 Posted on January 23, 2025January 23, 2025 by HWA Task Force Hemlock woolly adelgid was detected in early 2024, near the village of Torch Lake, MI. At the time, this detection brought the total number of counties with positive infestations to seven. https://www.michigan.gov/invasives/news/2024/03/18/invasive-hemlock-woolly-adelgid-found-in-western-antrim-county