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Filtering by: Subject Beans -- Diseases and pests -- Control Creator United States. Bureau Of Entomology Decade 1900-1909

Some insects injurious to forests. pt. III, Additional data on the locust borer

Creator:

Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology

Resource Type:

Technical Report

Full Text:

destructive work 35 Natural enemies 35 Insects 35 Disease and sap flow . 36 Methods of control 36
Some insects injurious to forests. pt. I, The locust borer

Creator:

Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology

Resource Type:

Technical Report

Full Text:

considered a pest rather than other- wise. The loss resulting from defective timber, stunted growth, and the
Some insects injurious to forests. pt. II, The western pine-destroying barkbeetle

Creator:

Webb, J. L. (Jesse Lee), 1878-1942 and United States. Bureau of Entomology

Resource Type:

Technical Report

Full Text:

ferreting out of the insect pest and advising a way to combat it is a work of great value to the country and