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Filtering by: Subject Trees -- Diseases and pests -- United States Remove constraint Subject: Trees -- Diseases and pests -- United States License Public Domain Mark 1.0 Remove constraint License: Public Domain Mark 1.0 Resource Type Technical Report Remove constraint Resource Type: Technical Report

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  • The two-lined chestnut borer

    Creator:
    Chittenden, F. H. (Frank Hurlbut), 1858-1929 and United States. Division of Entomology
    Abstract:
    Recent years have witnessed extensive destruction of forest growth, particularly of pine, spruce, and chestnut, in portions of the United States east of the Rocky Mountains. This injury has been very generally attributed to insects, and there is evidence that certain wood and bark-boring species have largely contributed to the...
    Resource Type:
    Technical Report
    Full Text:
    , particularly of pine, spruce, and chestnut, in portions of the United States east of the Rocky Mountains. This

  • The white-pine weevil

    Creator:
    Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
    Abstract:
    The Bureau of Entomology has been conducting systematic and economic investigations of the weevils infesting the bark of the trunk and terminal shoots of conifers in the United States, the results of which will be published in the regular technical and popular bulletins ; but since these can not be...
    Resource Type:
    Technical Report
    Full Text:
    trunk and terminal shoots of conifers in the United States, the results of which will be published in