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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Morgan, Harcourt A.
    Type: Article
    In: Journal of economic entomology
    Volume: 1
    Issue: 1
    Date: 1908-02-01
    Page Range: 11--15
    Publication Info: [College Park, Md., etc.], Entomological Society of America [etc.],