oa Journal of the Entomological Society of Southern Africa - Colonisation sites on Pinus radiata logs of the bark beetles, Orthotomicus erosus, Hylastes angustatus and Hylurgus ligniperda (Coleoptera: Scolytidae)

Volume 55, Issue 1
  • ISSN : 0013-8789



The colonisation sites of three exotic bark beetle species were determined using buried and partially-buried pine logs placed vertically in the soil. Four trials of increasing complexity were conducted over four seasons within a mature plantation of Pinus radiata D. Don. Almost all (98%) Orthotomicus erosus (Wollaston) were found in the protruding parts of the logs, while most (86%) Hylurgus ligniperda (Fabricius) occurred below soil level.

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