Hopkins, A. D.

Books by Hopkins, A. D.

Total count: 70

• Preliminary report on the insect enemies of forests in the Northwestan account of the results gained from a reconnaissance trip made in the spring and early summer of 1899

  U.S. Dept. of Agriculture, Division of Entomology1899-01-01
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  Preliminary report on the insect enemies of forests in the NorthwestAn account of the results gained from a reconnaissance trip made in the spring and early summer of 1899

  U.S. Dept. of Agriculture, Division of Entomology1899-01-01
• Report on investigations to determine the cause of unhealthy conditions of the spruce and pine from 1880-1893

  West Virginia Agricultural Experiment Station1899-01-01
• The periodical cicada or seventeen-year locust in West Virginia

  West Virginia University Agricultural Experiment Station1900-01-01
• The Hessian fly in West Virginia and how to prevent losses from its ravages

  Agricultural Experiment Station, West Virginia University1900-01-01
• Insect enemies of the spruce in the Northeasta popular account of results of special investigations, with recommendations for preventing losses

  U.S. Dept. of Agriculture, Division of Entomology1901-01-01
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  Insect enemies of the pine in the Black Hills Forest Reservean account of results of special investigations, with recommendations for preventing losses

  U.S. Dept. of Agriculture, Division of Entomology1902-01-01
• Powder-post injury to seasoned wood products

  U.S. Dept. of Agriculture, Division of Entomology1903-01-01
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  Some of the principal insect enemies of coniferous forests in the United States

  1903-01-01
• Powder-post injury to seasoned wood products

  1904-01-01
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  The Black Hills beetlewith further notes on its distribution, life history, and methods of control

  U.S. Dept. of Agriculture, Bureau of Entomology1905-01-01
• The white-pine weevil

  Gov't Print. Off.1907-01-01
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  The locust borer and methods for its control

  U.S. Dept. of Agriculture, Bureau of Entomology1907-01-01
• The white-pine weevil

  United States. Dept. of Agriculture. Bureau of Entomology1907-01-01
• Pinhole injury to girdled cypress in the South Atlantic and Gulf states

  U.S. Dept. of Agriculture, Bureau of Entomology1907-01-01
• The genus Dendroctonus

  1909-01-01
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  Practical information on the scolytid beetles of North American forestsBarkbeetles of the genus Dendroctonus

  U.S. Dept. of Agriculture, Bureau of Entomology1909-01-01
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  Insect injuries to forest products

  U.S. Dept. of Agriculture, Bureau of Entomology1910-01-01
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  Insect injuries to the wood of dying and dead trees

  U.S. Dept. of Agriculture, Bureau of Entomology1910-01-01
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  Insects in their relation to the reduction of future supplies of timber, and general principles of control

  U.S. Dept. of Agriculture, Bureau of Entomology1910-01-01
and 50 more