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The Natural Groups of Species in the Genus Ips De Geer (Coleoptera: Scolytidae) in North America1

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

The genus Ips is one of four closely related genera in the tribe Ipini, sub-tribe Ipina (De Geer 1775, Balachowsky 1949, Nunberg 1954, Hopping 1963). There are now 32 species of Ips recognized in North America, with a few more as yet undescribed. This paper defines the groups of closely related species with observations on the group relationships of species from other parts of the world. Work is in progress to define the North American species in each group.

Type
Articles
Information
The Canadian Entomologist , Volume 95 , Issue 5 , May 1963 , pp. 508 - 516
Copyright
Copyright © Entomological Society of Canada 1963

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