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  1. By: Wijesekara, G. A. W.
    Type: Article
    In: Journal of Hymenoptera research
    Volume: 6
    Date: 1997
    Page Range: 297--335
    Publication Info: Washington, D.C, International Society of Hymenopterists, [1992-
  2. By: Wijesekara, G. A. W. - Schauff, Michael E.
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 99
    Date: 1997
    Page Range: 101--109
    Publication Info: Washington, etc, Entomological Society of Washington,