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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Cook, Benjamin J. - Smith, Robert L.‏ ‎ (Robert Lloyd)‏ - Flint, H M
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 82
    Date: 1980
    Page Range: 117--123
    Publication Info: Washington, etc, Entomological Society of Washington,