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DESCRIPTION OF THE GALLERY AND LARVA OF DENDROCTONUS PUNCTATUS LECONTE (COLEOPTERA: SCOLYTIDAE)

Published online by Cambridge University Press:  31 May 2012

Malcolm M. Furniss  and
James B. Johnson
Malcolm M. Furniss
Affiliation:
Department of Plant, Soil and Entomological Sciences, University of Idaho, Moscow, Idaho, USA83843
James B. Johnson
Affiliation:
Department of Plant, Soil and Entomological Sciences, University of Idaho, Moscow, Idaho, USA83843
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Abstract

A gallery system and the mature larva of Dendroctonus punctatus LeConte are described from white spruce in Montana. The gallery is allied to that of the Eurasian D. micans (Kugelann) but the larva differs particularly in having a sclerotized area on the eighth abdominal tergum that is lacking in D. micans. Similar native species are D. murrayanae Hopkins, which infests pines, and D. rufipennis (Kirby), which infests spruces. A key and diagnostic characters are presented for identifying D. punctatus larvae.

Résumé

On décrit le système de galeries ainsi que la larve mature de Dendroctonus punctatus LeConte provenant de l’épinette blanche au Montana. Les galeries sont apparentées à celles de l’espèce EurasiatiqueD. micans (Kugelann) mais la larve diffère en particulier par la présence d’une région sclérifiée sur le huitième tergite abdominal, laquelle est absente chez D. micans. Les espèces indigènes D. murrayanae Hopkins, infestant les pins, et D. rufipennis (Kirby), infestant les épinettes, sont similaires. On fournit une clé et des caractères diagnostiques permettant l’identification des larves de D. punctatus.

Type
Articles
Information
The Canadian Entomologist , Volume 121 , Issue 9 , September 1989 , pp. 757 - 762
Copyright
Copyright © Entomological Society of Canada 1989

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