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Filtering by: Subject Asparagus -- Diseases and pests Remove constraint Subject: Asparagus -- Diseases and pests Creator Hopkins, A. D. (Andrew Delmar), 1857 1948 Remove constraint Creator: Hopkins, A. D. (Andrew Delmar), 1857 1948 License Public Domain Mark 1.0 Remove constraint License: Public Domain Mark 1.0

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  • 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:
    escape of weevils. (Original.) larvae, pupa, and adults. Some of the larvae apparently die from disease