. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. U. S. DEPARTMENT OF AGRICULTURE, BUREAU OF ENTOMOLOGY-BULLETIN No. 68. L. O. HOWARD, Entomologist and Chief of Bureau. PAPERS ON DECIDUOUS FRUIT INSECTS AND INSECTICIDES. I. THE PEAR THRIPS. By DUDLEY MOULTON, Engagedin Deciduous Fruit Insect Investigations. II. THE SPRING CANKER-WORM. By A. L. QUAINTANCE, In Charge of Deciduous Fruit Insect Investigations. III. THE TRUMPET LEAF-MINER OF THE APPLE. By A. L. QUAINTANCE, In Charge of Deciduous Fruit Insect Investigations. IV. THE LESSER PEACH BORER. By A. A. GIRAUL
. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. U. S. DEPARTMENT OF AGRICULTURE, BUREAU OF ENTOMOLOGY-BULLETIN No. 68. L. O. HOWARD, Entomologist and Chief of Bureau. PAPERS ON DECIDUOUS FRUIT INSECTS AND INSECTICIDES. I. THE PEAR THRIPS. By DUDLEY MOULTON, Engagedin Deciduous Fruit Insect Investigations. II. THE SPRING CANKER-WORM. By A. L. QUAINTANCE, In Charge of Deciduous Fruit Insect Investigations. III. THE TRUMPET LEAF-MINER OF THE APPLE. By A. L. QUAINTANCE, In Charge of Deciduous Fruit Insect Investigations. IV. THE LESSER PEACH BORER. By A. A. GIRAULT, Engaged in Deciduous Fruit Insect Investigations. V. THE LESSER APPLE WORM. By A. L. QUAINTANCE, In Charge of Deciduous Fruit Insect Invesiigalions. VI. GRAPE ROOT-WORM INVESTIGATIONS IN 1907. By FRED JOHNSON, Engaged in Deciduous Fruit Insect Investigations. VII. DEMONSTRATION SPRAYING FOR THE CODLING MOTH. By A. L. QUAINTANCE, S. W. FOSTER, FRED JOHNSON, and A. A. GIRAULT. VIII. THE GRAPE-LEAF SKELETONIZER. By 1'. R. JONES, Engaged in Deciduous Fruit Insect Investigations. L\. THE PEACH-TREE BARKBEETLE. By H. F. WILSON, Engaged in Dccidaoas Fruit Insect WASHINGTON: GOVERNMENT PKINTING OFFICE. 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
