The Bureau of Entomology: Its History, Activities and Organization |
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The Bureau of Entomology: Its History, Activities and Organization Gustavus Adolphus Weber No preview available - 1930 |
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activities appropriation acts arsenate Asiatic beetles Assistant Entomologist Associate Entomologist bean bee culture beekeeping brown-tail brown-tail moth bulletins Bureau of Entomology Bureau of Plant California carried cereal and forage citrus Clerk Control Administration coöperation cotton insects cotton-boll weevil crops deciduous-fruit Department of Agriculture developed Division of Entomology ear worm economic entomology enemies Entomologist in Charge established European corn borer farmers Federal Horticultural Board Field Laboratory Field Station forage insects fruit flies fumigation gipsy moth Hessian fly honey honeybee important insect investigations Insect Pest Survey insecticides insects affecting forests insects attacking insects injurious Insects Section Investigations of insects Japanese beetle Junior larvæ leaf methods of control mologist Office of Associate Office of Entomologist orchard organization parasites pest pink bollworm Plant Industry Plant Quarantine projects Quarantine and Control result Rocky Mountain locust Senior Entomologist silk species spray spread Stat thrips tion tobacco trees truck-crop insects ture United wireworms worm