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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Horton, J. R. (John Raymond),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1918
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Citrus thrips  
  2. By: Hine, James S. (James Stewart), - Howard, L. O. (Leland Ossian), - Moulton, Dudley, - Quaintance, A. L. (Altus Lacy), - Sanders, James Glossbrenner, - Townsend, C. H. T. (Charles Henry Tyler),
    Publication info: Washington, [D.C.], G.P.O, 1912
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Aleyrodidae  Aphelinidae  Aphids  California  Citrus thrips  Coccidae  Horseflies  Insect pests  Speciation  Tachinidae  Thrips  
  3. By: Jones, P. R. (Paul Robert) - Horton, John Raymond.
    Publication info: Washington, Govt. print. off, 1911
    Holding Institution: Library of Congress
    Subjects: Citrus thrips  
  4. By: Horton, J. R. (John Raymond), - Jones, P. R. (Paul Robert) - Russell, Harry Merwin,
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, Bureau of Entomology, 1916
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Citrus  Citrus thrips  Diseases and pests  Redbanded thrips