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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Rockwell, R F
    Type: Article
    In: The Pan-Pacific entomologist
    Volume: 55
    Issue: 2
    Date: 1979
    Page Range: 117--126
    Publication Info: San Francisco Pacific Coast Entomological Society
  2. By: Rockwell, R F - Grossfield, Joseph,
    Type: Article
    In: The Pan-Pacific entomologist
    Volume: 53
    Issue: 4
    Date: 1977
    Page Range: 305--311
    Publication Info: San Francisco Pacific Coast Entomological Society