TI DECIDUOUS FEUIT INSECTS AND INSECTICIDES. 



The lesser apple -worm — Continued. Page. 



Description 55 



Seasonal history and habits 57 



Identity 59 



Parasites 60 



Method of control 60 



Grape root- worm investigations in 1907 Fred Johnson . . 61 



Introduction... 61 



A brief consideration of vineyard conditions 62 



Work undertaken at North East, Pa 63 



Extent of injury to newly bearing vineyards 64 



Renovation experiment on an old, run-down vineyard 65 



Spraying experiment on a newly infested vineyard 66 



Methods of recording results 66 



Recommendations based on observations and results of season's work 67 



Demonstration spraying for the codling moth 69 



Introduction A. L. Quaintance. . 69 



Demonstration spraying in Virginia in 1907 »?. W. Foster. . 69 



Demonstration spraying in Pennsylvania in 1907 Fred Johnson. . 72 



Demonstration spraying in Ohio in 1907 A. A. Girault. . 75 



The grape-leaf skeletonizer {Harrisina americana Guerin-Meneville). 



P. R. Jones. . 77 



Introduction 77 



History 77 



Origin and distribution 79 



Food plants and destructiveness 79 



Character of injury 79 



Description 80 



Seasonal history 85 



Habits 86 



Identity 87 



Natural enemies 87 



Remedies 87 



Bibliography 88 



The peach-tree barkbeetle {Phloeotribus liminaris Harr.) //. F. Wilson. . 91 



Introduction 91 



History 92 



Distribution 93 



Occurrence in Ohio 93 



Extent and character of injury 94 



Life history 95 



Parasites 101 



Experiments with remedies 101 



Methods of control 105 



Bibliography 106 



