Fernald, H.T. 1899 The San José scale, and other scale insects. Bulletin of the Pennsylvania Department of Agriculture 43: 1-22

Keywords:

  • control
  • distribution
  • host
  • illustration
  • importance
  • life history

    • Notes: Appearance of the different kinds of scale insects, and methods of treatment for their destruction (lime, kerosene, whale-oil soap, fumigation).

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