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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Buttrick, P. L. (Philip Laurence),
    Publication info: [New Haven], Connecticut Agricultural Experiment Station, 1915
    Holding Institution: University of Connecticut Libraries
  1. By: Buttrick, P. L. (Philip Laurence),
    Type: Article
    In: Journal of economic entomology
    Volume: 5
    Date: 1912
    Page Range: 456--464
    Publication Info: [College Park, Md., etc.], Entomological Society of America [etc.],