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    Author(s): Robert E. Nelson; Clifton J. Davis
    Date: 1972
    Source: Res. Note PSW-RN-274. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 4 p
    Publication Series: Research Note (RN)
    Station: Pacific Southwest Research Station
    PDF: View PDF  (420 KB)

    Description

    The black twig borer (Xylosandrus compactus Eichhoff), first discovered in Hawaii in 1961, has become widespread on many host plants throughout the islands. Beetle infestations have caused heavy damage to trees but only recently have attacks been associated with death of apparently vigourous trees in forest stands. The beetle and its associated micro-organisms have been identified as associated with the death of five tree species in planted forests on Oahu.

    Publication Notes

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    Citation

    Nelson, Robert E.; Davis, Clifton J. 1972. Black twig borer...a tree killer in Hawaii. Res. Note PSW-RN-274. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 4 p

    Keywords

    Xylosandrus compactus, Tristania conferta, Syncarpia glomulifera, Melaleuca leucadendron, Eucalyptus sideroxylon, plantations stands, Eucalyptus pilularis, insect damage, Hawaii, crown mortality, tree mortality

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