CONTENTS." 



Page. 



The pear Ihrips {Euihrips pyri Daniel) Dudley Moulton . . 1 



Introduction 1 



Occurrence and distribution 1 



Nature and extent of injury 2 



Life history and habits 7 



Methods and natural factors in control 12 



The spring canker-worm {Palearritn rernatn Pork) A. L. (iiKiintance. . 17 



Introduction 17 



Life history and habits 18 



Demonstration work in canker-worm control 20 



Recommendations 21 



The trumpet leaf-miner of the apple {Tischeria malifoliella Clemens). 



A . L . Qunrntance . . 23 



History 23 



Descriptive 24 



Food plants 26 



Seasonal history 27 



Distribution 29 



Parasi tes 29 



Treatment 30 



The lesser peach borer (Synanthedon piciipes G. & R.) A. A. Giraull... 31 



Introduction 31 



History 31 



Original description; scientific name 32 



Common names 32 



Food plants; character and extent of injury 33 



Distribution 34 



Literature 34 



Life history and habits 35 



Seasonal history 42 



Natural enemies 44 



Preventives and remedies 45 



Bibliography 46 



The lesser apple worm {Enarmonia prunivnrn Walsh) A. L. Quaintance. . 49 



Introduction 49 



History 49 



Origin and distribution 52 



Food plants and destructiveness 53 



Character of injury 54 



a The nine papers constituting this bulletin were issued in separate form on June 10, 

 July 6, October 15, and October 17, 1907; January 8, April 24, and April 29, 1908; and 

 January 20 and February 11, 1909, respectively. 



V 



