CONTENTS 



PAGE 



Preface v-vii 



Introduction x-xiv 



CHAPTER I 



Value of a Knowledge of Entomology .... 1-15 

 General considerations — Classification of insects — 

 Orders of insects — Natural elements in the control 

 of insects. 



CHAPTER II 



Prevention by Farming Methods 16-25 



Selection of place and time for planting — The main- 

 tenance of vigorous growth — Burning over fields 

 and waste lands — Crop rotation — Diversified agri- 

 culture — Fall plowing and cultivating — Clean farm- 

 ing methods — Farm inspection — Cooperation in the 

 control of insects. 



CHAPTER III 



Mechanical Methods of Destroying Insects or Prevent- 

 ing Injury 26^29 



CHAPTER IV 



Insecticides and Their Uses 30-48 



Stomach poisons, arsenicals, etc. — Contact poisons 

 — Insecticides which kill by sufifocation — Proprie- 

 tary insecticides — Insecticide apparatus — Remarks 

 on applying insecticides. 



CHAPTER V 



General Crop Pests . . . . . . . . 49-91 



Cutworms and related insects — Miscellaneous cater- 

 pillars — Leaf-beetles — Flea-beetles — Blister beetles — 

 Grasshoppers and related insects — White grubs — 

 Wireworms — Aphides, plant-bugs and related insects 

 — The red spider. 



CHAPTER VI 



Insects Injurious to Asparagus . „ , . . 93-98 

 viii 



