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Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Department of Agriculture
Abstract:: Reprint from Yearbook of Department of Agriculture for 1905.
Resource Type:: Journal
Full Text:: insects. The character of insect injuries to seeds, seedlings, and saplings is very much the same as that

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology
Resource Type:: Conference Proceeding
Full Text:: foliage, etc.; and each should, as with the insect specimens, be accom- panied by the note number. It is

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: seed for general planting were collected from immune trees 14 SOME INSECTS INJURIOUS TO FORESTS

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology
Resource Type:: Technical Report
Full Text:: of the exhibit 9 Insects injurious to fruit or seeds 13 Insect injury to forest products

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: during the day on the trunks, 34 SOME INSECTS INJURIOUS TO FORESTS. branches, and foliage of the

Creator:: United States. Division of Forestry and Sudworth, George Bishop, 1862-1927
Resource Type:: Technical Report
Full Text:: TI SP IECE. BOXELDER IN DECEMBER, WITH FULL CROP OF SEED STILL ON THE TREE, SHOWING OPPOR TUNITY

Creator:: Wilson, H. F. (Harley Frost), 1883- and Oregon Agricultural College. Experiment Station
Abstract:: Published September 1909. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: a few methods for controlling insects of the garden Destructive insects secure their food either by

Creator:: Oregon Agricultural Experiment Station and Cordley, A. B. (Arthur Burton), 1864-1936
Abstract:: Published March 1903. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: remedy to be used for any particular insect, one has only to know that practically all insects may be

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:: United States. Forest Service and Sudworth, George Bishop, 1862-1927
Abstract:: Gerald W. Williams Collection
Resource Type:: Book
Full Text:: . The needle-like foliage of pines varies from an inch to 14 or 15 inches in length. Seed-leaves

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