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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Vitale, Gary C. - Wirth, Willis Wagner - Aitken, Thomas H. G.
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 83
    Date: 1981
    Page Range: 140--159
    Publication Info: Washington, etc, Entomological Society of Washington,