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Filtering by: Subject Seed crops -- Diseases and pests -- Control Creator United States. Bureau Of Entomology Rights Statement No Copyright - United States

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

ScholarsArchive@OSU

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

Some insects injurious to forests. pt. I, The locust borer

Some insects injurious to forests. pt. II, The western pine-destroying barkbeetle

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