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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Abrahamson, W G - Mccrea, K D
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 88
    Date: 1986
    Page Range: 364--367
    Publication Info: Washington, etc, Entomological Society of Washington,
  2. By: Abrahamson, W G - Mccrea, K D
    Type: Article
    In: Rhodora
    Volume: 79
    Date: 1977
    Page Range: 269--277
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],