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  1. By: Travis, B. V. (Bernard Valentine), - United States. Agricultural Research Service.
    Publication info: [Beltsville, Md.?], U.S. Dept. of Agriculture, Agricultural Research Service, 1956
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  1. By: Travis, B. V. (Bernard Valentine),
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 49
    Date: 1947
    Page Range: 20--21
    Publication Info: Washington, etc, Entomological Society of Washington,