. Bulletin of the Department of Agriculture. Agriculture; Agriculture. UNITED STATES DEPARTMENT OF AGRICULTURE In Cooperation with the Washington Agricultural Experiment Station DEPARTMENT BULLETIN No. 1235 Washington, D. C. V November 28,1924 LIFE HISTORY OF THE CODLING MOTH IN THE YAKIMA VALLEY OF WASHINGTON By E. J. NEWCOMER, Entomologist, and W. D. WHITCOMB, Assistant Entomologist, Fruit Insect Investigations, Bureau of Entomology CONTENTS Page Introduction 1 The Yakima Valley 2 Definitions of Terms. 4 Methods and Rearing Apparatus Employed in the Life-History Studies 4 The Insectary
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. UNITED STATES DEPARTMENT OF AGRICULTURE In Cooperation with the Washington Agricultural Experiment Station DEPARTMENT BULLETIN No. 1235 Washington, D. C. V November 28,1924 LIFE HISTORY OF THE CODLING MOTH IN THE YAKIMA VALLEY OF WASHINGTON By E. J. NEWCOMER, Entomologist, and W. D. WHITCOMB, Assistant Entomologist, Fruit Insect Investigations, Bureau of Entomology CONTENTS Page Introduction 1 The Yakima Valley 2 Definitions of Terms. 4 Methods and Rearing Apparatus Employed in the Life-History Studies 4 The Insectary . 6 Seasonal-History Studies of 1919 6 Codling Moth Band Studies of 1919 20 Seasonal-History Studies of 1920 22 Codling Moth Band Studies of 1920 35 Seasonal-History Studies of 1921 37 Codling Moth Band Studies of 1921 53 Variations in the Seasonal History of the Codling Moth in the Upper and Lower Yakima Valleys *. 55 Seasonal-History Studies at Wenatchee, Wash., 1915-1916 56 Miscellaneous Studies •• 5S Review of Seasonal History of the Codling Moth in 1919,1920, and 1921 72 Summary 73 WASHINGTON GOVERNMENT PRINTING OFFICE 1924. 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. Dept. of Agriculture. [Washington, D. C. ?] : The Dept. : Supt. of Docs. , G. P. O.
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