New foliage growth is a significant, unaccounted source for volatiles
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Olfactory Responses of the Hemlock Woolly Adelgid Predator, Laricobius nigrinus (Coleoptera: Derodontidae), to Natural and Synthetic Conifer Volatiles
Laricobius nigrinus Fender (Coleoptera: Derodontidae) is a specialist predator of the hemlock woolly adelgid, Adelges tsugae Annand (Hemiptera: Adelgidae), native to the Pacific Northwest. It has been introduced into the eastern United States for biological control of exotic hemlock woolly adelgid populations that threaten native hemlock. The possible role of olfactory cues in host finding by t...
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