Hemlock Woolly Adelgid: Biology and Management
Hemlock woolly adelgid (Adelges tsugae, HWA) is an aphid-like invasive pest of hemlock trees in eastern North America. The HWA is native to all hemlock species in western North America and Asia, and...
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Sep 2, 2019 | Forestry, Horticulture
Hemlock woolly adelgid (Adelges tsugae, HWA) is an aphid-like invasive pest of hemlock trees in eastern North America. The HWA is native to all hemlock species in western North America and Asia, and...