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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Downes, W L
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 89
    Date: 1987
    Page Range: 389--406
    Publication Info: Washington, etc, Entomological Society of Washington,
  2. By: Downes, W L
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 87
    Date: 1985
    Page Range: 269--272
    Publication Info: Washington, etc, Entomological Society of Washington,