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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Taylor, S. P. - Lindgren, B S - Johnson, J
    Type: Article
    In: Journal of the Entomological Society of British Columbia
    Volume: 92
    Date: 1995
    Page Range: 81--86
    Publication Info: [Victoria, etc.], Entomological Society of British Columbia,
  2. By: Johnson, J - Johnson, R
    Type: Article
    In: Phytologia
    Volume: 69
    Date: 1990
    Page Range: 175--176
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke