Canadian Forest Service Publications
Morphology of Laricobius nigrinus (Coleoptera: derodontidae), a predator of the hemlock woolly adelgid. 2006. Zllahl-Balogh, G.M.G.; Humble, L.M.; Kok, L.T.; Salom, S.M. The Canadian Entomologist 138(5): 595-601.
Available from: Pacific Forestry Centre
Catalog ID: 26599
Laricobius nigrinus Fender, native to western North America, was first released in 2003 for the biological control of the hemlock woolly adelgid, Adelges tsugae Annand (Hemiptera: Adelgidae), in the eastern United States. Members of the genus Laricobius are known to feed on adelgids, but there is a lack of detailed taxonomic and ecological information on this group of insects. Detailed descriptions and illustrations of various life stages of L. nigrinus are presented in this study, accompanied by notes on its life history to facilitate its recognition.
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