TABLE OF CONTENTS 



Part I. 

 ENTOMOLOGY. 



Page 



Role of Insects 17 



General Description of Insects 17 



How to Use This Volume 22 



Annual Loss by Insects 23 



Results of Insect Control 25 



Relation of Insects to Disease. 26 



Insects Injurious to Fruit 29 



Apple 29 



Pear 44 



Quince 49 



Peach 50 



Prune 58 



Apricot 58 



Plum 59 



Cherry 61 



Barks 62 



Grape 62 



Strawberries 78 



Blackberries 84 



Raspberries 84 



Currants 91 



Cranberries 93 



Insects Injurious to Citrous 



Trees 109 



Insects Injurious to Nuts 130 



Insects Affecting Vegetables.. 136 



Asparagus 143 



Beans 145 



Beets 146 



Spinach 146 



Cabbage 149 



Cauliflower 149 



Celery 154 



Cucumber 155 



Melon 155 



Hops 158 



Onions 161 



Parsnip 162 



Peas 162 



Potato 164 



Radish 165 



Rhubarb 165 



Squash 166 



Tomato 166 



Page 



Tobacco 166 



Turnip 167 



Sweet Potato 168 



Insects Affecting Grain 168 



Insects Affecting Forage Crops 197 



Insects Affecting Stored Prod- 

 ucts 217 



Insects Injurious to Sugar 

 Cane 227 



Insects Affecting Cotton 236 



Insects Affecting Tobacco 251 



Insects Affecting House Plants 256 



Insects Affecting Door- Yard 

 Plants 270 



Insects Affecting Shade Trees. 279 



Insects Affecting Ornamentals 279 



Insects Causing the Death of 

 Trees 309 



Insects Injurious to Living 

 Trees 311 



Insects Injurious to Dying 

 Trees . . 313 



Insects Injurious to Conifer- 

 ous Trees 313 



Insects Injurious to Hardwood 

 Trees 314 



Insects Injurious to Forest 

 Products 314 



Insects Injurious to Crude 

 Products 314 



Insects Injurious to Unsea- 

 soned Products 315 



Insects Injurious to Seasoned 

 Products 316 



Insects Injurious to Finished 

 Products 316 



Insects Injurious to Utilized 

 Products 316 



Insects and Future Timber 

 Supply 316 



Forest Insects and Fires Re- 

 lated 317 



Forest Insects and Fungi Re- 

 lated 317 



Insect Damages Summary . . 317 



