Showing 1 - 6 results of 6 for search 'O. A. Johannsen', query time: 0.01s Refine Results
  1. 1
    Eighth International Congress of Entomology

    Eighth International Congress of Entomology by O. A. Johannsen

    Published 1947-01-01
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  2. 2
    North American Henicocephalidae

    North American Henicocephalidae by O. A. Johannsen

    Published 1909-01-01
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  3. 3
    A New Species of Dixa From California

    A New Species of Dixa From California by O. A. Johannsen

    Published 1924-01-01
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  4. 4
    North American Dixidæ

    North American Dixidæ by O. A. Johannsen

    Published 1923-01-01
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  5. 5
    Sciara Congregata Sp. Nov. (Diptera)

    Sciara Congregata Sp. Nov. (Diptera) by O. A. Johannsen

    Published 1914-01-01
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  6. 6
    A Noxious Species of Phlebotomus in the Okefenokee Swamp, Georgia

    A Noxious Species of Phlebotomus in the Okefenokee Swamp, Georgia by O. A. Johannsen

    Published 1943-01-01
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