Now showing items 1-2 of 2

    • Aster Yellows. 

      Smith, Harlan E.; Garner, Connie F. (Texas Agricultural Extension Service, 1957)
    • A Revision of the Leafhopper Genus Xyphon (Hemiptera: Cicadellidae) 

      Catanach, Therese A. (2012-02-14)
      The leafhopper genus Xyphon, included in the sharpshooters, is a widely distributed group of insects whose species are vectors for various plant diseases. Xyphon has historically contained up to 9 species. These species ...