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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Hoebeke, E R - Kovarik, Peter W
    Type: Article
    In: Entomological news
    Volume: 99
    Date: 1988
    Page Range: 217--220
    Publication Info: [Philadelphia], American Entomological Society, 1925-
  2. By: Kovarik, Peter W - Burke, Horace R.
    Type: Article
    In: Entomological news
    Volume: 94
    Date: 1983
    Page Range: 37--40
    Publication Info: [Philadelphia], American Entomological Society, 1925-