North American Species in Group IX of Ips De Geer (Coleoptera: Scolytidae)
- 1 April 1965
- journal article
- Published by Cambridge University Press (CUP) in The Canadian Entomologist
- Vol. 97 (4), 422-434
- https://doi.org/10.4039/ent97422-4
Abstract
Group IX of North American Ips contains I. grandicollis (Eichhoff), I. confusus (Leconte), I. montanus (Eichhoff), I. cribricollis (Eichhoff) and I. lecontei Swaine. I. chagnoni Swaine is made a synonym of I. grandicollis (Eichhoff). Ips of Group IX differ from other Ips by having five spines on each side of the elytral declivity. Species are described and a key is given. They breed in various species of Pinus and most of them occur south of the boreal forest.Keywords
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