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    Author(s): Christopher J. Fettig; Darren C. Blackford; Donald M. Grosman; A. Steven Munson
    Date: 2017
    Source: Journal of Entomological Science
    Publication Series: Scientific Journal (JRNL)
    Station: Pacific Southwest Research Station
    PDF: Download Publication  (40.0 KB)


    In the western United States, protection of individual conifers from bark beetles typically involves liquid formulations of insecticides applied to the tree bole. Researchers attempting to find safer, more portable, and longer-lasting alternatives have evaluated injecting systemic insecticides directly into the tree.

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    Fettig, Christopher J.; Blackford, Darren C.; Grosman, Donald M.; Munson, A. Steven. 2017. Injections of Emamectin Benzoate protect Engelmann Spruce from mortality attributed to Spruce Beetle (Coleoptera: Curculionidae) for two years. Journal of Entomological Science. 52(2): 193-196.


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    bole injections, Dendroctonus rufipennis, Picea engelmannii, insecticides

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