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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Grehan, John R. - Linnane, James P. - United States. State and Private Forestry. Northeastern Area.
    Publication info: [Vermont], U.S. Dept. of Agriculture, Forest Service, [1996?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  1. By: Leonard, Jonathan G - Grehan, John R. - Parker, Bruce L
    Type: Article
    In: Journal of the New York Entomological Society
    Volume: 100
    Date: 1992
    Page Range: 594--614
    Publication Info: Lawrence, Kan Allen Press [etc.]
  2. By: Grehan, John R. - Rawlins, John E.
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 105
    Date: 2003
    Page Range: 733--755
    Publication Info: Washington, etc, Entomological Society of Washington,