UNITED STATES DEPARTMENT OF AGRICULTURE 

 BULLETIN No. 429 



ContribuUon from the Bureau of Entomology 

 L, O. HOWARD, Chief 



Washington, D. C. 



PROFESSIONAL PAPER 



February 28, 1917 



LIFE HISTORY OF THE CODLING MOTH 



IN THE PECOS VALLEY 



NEW MEXICO 



By 



A. L. QUAINTANCE, Entomologist in Charge of Deciduous 



Fruit Insect Investigations, and E. W. GEYER, 



Scientific Assistant 



CONTENTS 



Page 



Introduction 1 



Definition of Terms Used 2 



Seasonal-History Studies of 1312 ... 3 



The Spring Brood 3 



The First Generation 6 



The Second Generation 13 



The Third Generation 25 



Seasonal History of the Codling Moth 



During 1>12 31 



Band-Record Larvse of 1912 ... 32 



Seasonal-History Studies of 1913 ... 34 



Source of Rearing Material .... 34 



Method of Procedure 35 



Page 

 Seasonal-History Studies of 1913— Con. ^ 



The Spring Brood 36 



The First Generation 42 



Egg Deposition by Individual Moths 50 



The Second Generation 5S 



The Third Generation 68 



The Fourth Generation 78 



Miscellaneous Emergence of Moths . 79 



Band Records of 1S13 80 



Seasonal History of the Codling Moth 



During 1913 87 



Summary 87 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 



1917 



