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  1. By: Hershler, R - Pierson, J M - Krotzer, R Stephen,
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 103
    Date: 1990
    Page Range: 815--824
    Publication Info: Washington Biological Society of Washington
  2. By: Krotzer, R Stephen, - Krotzer, Mary Jane
    Type: Article
    In: Entomological news
    Volume: 110
    Date: 1999
    Page Range: 153--161
    Publication Info: [Philadelphia], American Entomological Society, 1925-