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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Gerling, Dan
    Type: Article
    In: The Pan-Pacific entomologist
    Volume: 58
    Issue: 4
    Date: 1983
    Page Range: 336--351
    Publication Info: San Francisco, Pacific Coast Entomological Society,
  2. By: Gerling, Dan
    Type: Article
    In: Entomologische berichten
    Volume: 32
    Issue: 8
    Date: 1972
    Page Range: 156--161
    Publication Info: Amsterdam