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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Campbell, C. L. - Pike, Keith S
    Type: Article
    In: The Pan-Pacific entomologist
    Volume: 61
    Issue: 1
    Date: 1985
    Page Range: 42--47
    Publication Info: San Francisco Pacific Coast Entomological Society
  2. By: Campbell, C. L. - Mccaffrey, J P
    Type: Article
    In: The Pan-Pacific entomologist
    Volume: 66
    Issue: 3
    Date: 1990
    Page Range: 217--226
    Publication Info: San Francisco Pacific Coast Entomological Society