. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. U. S. DEPARTMENT OF AGRICULTURE, BUREAU OF ENTOMOLOGY—BULLETIN No. 80, Part IV. L. O. HOWARD, Entomologist and Chief of Bureau. PAPERS ON DECIDIOIS FRTIT INSHCTS AND INSECTICIDES. THE PEAR THRIPS AND ITS CONTROL. DUDLEY MOULTON, Engaged in Deciduous Fruit Insect Investigations. Issued September 1, WASHINGTON: GOVERNMENT PRINTING OFFICE. "S/ 1909. 2oS\o1. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearanc
. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. U. S. DEPARTMENT OF AGRICULTURE, BUREAU OF ENTOMOLOGY—BULLETIN No. 80, Part IV. L. O. HOWARD, Entomologist and Chief of Bureau. PAPERS ON DECIDIOIS FRTIT INSHCTS AND INSECTICIDES. THE PEAR THRIPS AND ITS CONTROL. DUDLEY MOULTON, Engaged in Deciduous Fruit Insect Investigations. Issued September 1, WASHINGTON: GOVERNMENT PRINTING OFFICE. "S/ 1909. 2oS\o1. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Bureau of Entomology. Washington : G. P. O.
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Keywords: ., bookcentury1900, bookdecade1900, booksubje, booksubjectentomology
