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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:: -PINE WEEVIL.' By A. D. HOPKINS, In Charge of Forest Insect Investigations. The Bureau of Entomology

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Abstract:: The locust borer and its relation to detrimental and destructive injuries to the black or yellow locust in the eastern United States have been subjects of special investigations by the Bureau of Entomology during the past two years, which have resulted in the determination of practical methods of control.
Resource Type:: Technical Report
Full Text:: BORER' AND METHODS FOR ITS CONTROL. By A. D. HOPKINS, In Charge of Forest Insect Investigations. The

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: DIRECTION OF THE ENTOMOLOGIST. BY A. D. HOPKINS, PH. D., In Charge of Forest Insect Investigation

Creator:: Webb, J. L. (Jesse Lee), 1878-1942 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: . DEPARTMENT OF AGRICULTURE, BUREAU OF ENTOMOLOGY, Washington, D. C., May 28, 1906. SIR: I have the honor to

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