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.

Year: 2006

Available from: Pacific Forestry Centre

Catalog ID: 26599

Language: English

CFS Availability: Order paper copy (free), PDF (download)

Abstract

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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