Emergence of Laricobius nigrinus (Fender) (Coleoptera: Derodontidae) in the North Georgia mountains.
Hemlock woolly adelgid, Adelges tsugae Annand, is currently found throughout most of the range of eastern hemlock, Tsuga Canadensis (L.) Carriere. Biological control agents have been released in attempts to control this pest, but how different climates influence the efficacy and survival of these agents has not been studied.
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