IV DECIDUOUS FRUIT INSECTS AND INSECTICIDES. 



The grape-berry moth, etc. — Continued. Page. 



Remedial measures 50 



The destruction of fallen leaves 50 



Plowing in late fall or early spring 51 



Bagging the clusters 52 



Hand picking infested berries 52 



Removal of "trimmings " 52 



Experiments with poison sprays 52 



Recommendations for control 62 



Conclusion 66 



Bibliography 67 



The cherry fruit sawfly (Hoplocampa cookei [Clarke]) 5. W. Foster. . 73 



Introduction 73 



Seasonal history and habits 74 



The adult 74 



The egg 76 



The larva 77 



Natural enemies 78 



Experiments in control 79 



Lime-sulphur as a stomach poison for insects. .E. W. Scott and E. II. Siegler. . 81 



Introduction 81 



Conditions of the experiments 81 



Results 83 



Miscellaneous tests 89 



Conclusions 90 



The fruit-tree leaf-roller (Archips argyrospila Walk.) John B. Gill. . 91 



Introduction 91 



History 92 



Distribution 93 



Food plants 93 



Character of injury 94 



Description of stages 96 



Life history and habits 97 



Larval stage 97 



Pupal stage 98 



The adult and egg stages . . , .• 99 



Summary of life history 101 



Hibernation 101 



Natural enemies 102 



Methods of control 102 



Experimental tests for the destruction of the eggs 103 



Spraying experiments for the destruction of the egg masses 104 



Spraying experiments against the larvae 106 



Light traps 107 



Conclusions 108 



Recommendations for control 109 



Index. Ill 



