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The North American Species in Group VIII of Ips De Geer (Coleoptera: Scolytidae)1

Published online by Cambridge University Press:  31 May 2012

G. R. Hopping
G. R. Hopping
Affiliation:
Forest Entomology and Pathology Laboratory, Calgary, Alberta
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Abstract

Group VIII of North American Ips contains I. interruptus (Mannerheim), I. engelmanni Swaine, I. amiskwiensis G. Hopping, I. sulcifrons Wood, I. pilifrons Swaine, I. yohoensis Swaine, I. tridens (Mannerheim) and I. semirostris G. Hopping. Females of some species have dense brushes of long setae or pads of short pile covering the frontal protuberance. Species are described and a key is given. All of them breed in spruce, six in the boreal forest and two farther south in the Rocky Mountains.

Type
Articles
Information
The Canadian Entomologist , Volume 97 , Issue 2 , February 1965 , pp. 159 - 172
Copyright
Copyright © Entomological Society of Canada 1965

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References

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