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Morphology of Laricobius nigrinus (Coleoptera: Derodontidae), a predator of the hemlock woolly adelgid

Published online by Cambridge University Press:  02 April 2012

G.M.G. Zilahi-Balogh ,
L.M. Humble ,
L.T. Kok  and
S.M. Salom
G.M.G. Zilahi-Balogh*
Affiliation:
Department of Entomology, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061-0319, United States of America
L.M. Humble
Affiliation:
Natural Resources Canada, Canadian Forest Service, Pacific Forestry Centre, 506 Burnside Road, Victoria, British Columbia, Canada V8Z 1M5
L.T. Kok
Affiliation:
Department of Entomology, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061-0319, United States of America
S.M. Salom
Affiliation:
Department of Entomology, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061-0319, United States of America
*
2Corresponding author (e-mail: [email protected]).
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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.

Résumé

Laricobius nigrinus Fender, indigène à Amérique du nord de l'ouest, était premier relâché dans 2003 pour le lutte biologique contre le puceron lanigère de la pruche, Adelges tsugae Annand (Hemiptera: Adelgidae) dans l'est des Etats-Unis. Les espèces du genre Laricobius sont sus pour nourrir sur d'Adelgidae, mais il y a un manque d'information détaillée, taxinomique et écologique sur ce groupe d'insectes. Les descriptions et les illustrations détaillées de diverses étapes de vie de L. nigrinus est présenté dans cette étude ces notes accompagnées de sur son histoire de vie faciliter sa reconnaissance.

Type
Articles
Information
The Canadian Entomologist , Volume 138 , Issue 5 , October 2006 , pp. 595 - 601
Copyright
Copyright © Entomological Society of Canada 2006

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