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Filtering by: Alternative title ssim Circular of information no. 334 Creator United States. Bureau Of Entomology License Public Domain Mark 1.0

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:

season, this circular has been prepared to give the information which is of immediate prac- tical
The locust borer and methods for its control

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:

profile should show minute prothoracic feet. CIRCULAR NO. 83. Issued February 19, 1907. United States