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  1. Publication info: Washington, D.C, U.S. Dept. of Agriculture, Division of Entomology, 1887
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Cottony-cushion scale  
  2. By: Koebele, Albert,
    Edition: Rev. ed.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, Division of Entomology, 1890
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Australia  Biological control  Cottony-cushion scale  
  3. By: Morse, Fred W. (Fred Winslow),
    Publication info: Berkeley, Calif, University of California, Agricultural Experiment Station, [1887]
    Holding Institution: University of California, Davis Libraries
    Subjects: Control  Cottony-cushion scale  Fumigation  Insecticides  Scale insects  Trees  
  4. By: Ormerod, Eleanor A. (Eleanor Anne),
    Publication info: London, Simpkin, Marshall & Co, 1887
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Cottony-cushion scale  
    BHL Collections: Women in Natural History