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By: Ludwig, Daniel - Barsa, Mary CType: ArticleIn: Journal of the New York Entomological SocietyVolume: 67Series:Issue:Date: 1959Page Range: 151--156Publication Info: Lawrence, Kan Allen Press [etc.]Subjects:
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By: Ludwig, Daniel - Barsa, Mary CType: ArticleIn: Journal of the New York Entomological SocietyVolume: 65Series:Issue:Date: 1957Page Range: 107--111Publication Info: Lawrence, Kan Allen Press [etc.]Subjects:
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By: Ludwig, Daniel - Barsa, Mary CType: ArticleIn: The Biological bulletinVolume: 110Series:Issue:Date: 1956-02-01Page Range: 77--82Publication Info: Woods Hole, Mass Marine Biological LaboratorySubjects: