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Imidacloprid Insecticide Treatments For Hemlock Woolly Adelgid, Adelges Tsugae Annand (Hemiptera: Adelgidae), Affect A Non-Target Soil Arthropod Community Surrounding Eastern Hemlock, Tsuga Canadensis (L.) Carriere, William N. Reynolds

Masters Theses

The hemlock woolly adelgid (HWA), Adelges tsugae Annand, is an invasive pest that is causing declines in populations of eastern hemlock, Tsuga canadensis Carriere, in eastern North American forests. The threat of losing the hemlock as a foundation species in eastern forests prompted reserve managers to devise and implement HWA management strategies integrating cultural, biological, and chemical control tactics. Chemical control methods, systemic imidacloprid applications and horticultural oil foliar sprays, provide the most immediate and effective control of HWA in accessible hemlocks. Non-target impacts of HWA chemical control methods on soil arthropod communities are undocumented.

Empirical studies in the field …