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The North American Species in Groups IV and V 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 IV of North American Ips (Hopping 1963a) contains I. avulsus (Eichhoff), I. bonanseai (Hopkins) and I. pini (Say), which breed mainly in pines. They have four spines on each side of the elytral declivity and the elytral interspaces are impunctate except I. bonanseai which occasionally has interspace punctures. A key to the species is given and Ips oregoni (Eichhoff) is made a synonym of Ips pini (Say). Group V has only one species, I. perroti Swaine, the only North American Ips with straight sutures on the antennal club. Data on hosts and distributions are given.

Information

Type
Articles
Information
The Canadian Entomologist , Volume 96 , Issue 7 , July 1964 , pp. 970 - 978
Copyright
Copyright © Entomological Society of Canada 1964

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References

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