CONTENTS xi 



CHAPTER XV 



Page 

 The Embiidina 74 



General description — Economic importance. 



CHAPTER XVI 



The Orthoptera 75 



General description — Structure — Division into two sections — The Cursoria 

 — Distinctive characters — Families considered — -The Blattidae — Descrip- 

 tion of Roaches — ^The German Roach — The American Roach — The Aus- 

 tralian Roach — The Oriental Roach or "black beetle" — Control of Roaches 

 — The Mantidse — General considerations — Common Mantids — The Phas- 

 midie — General description of appearance, life history and habits — ^Eco- 

 nomic importance — Control — ^The Saltatoria — -General features — The Acri- 

 did» — Description of grasshoppers — Abundance — Economic importance — 

 Control — Kinds of grasshoppers — Sounds produced — ^Organs of hearing — 

 The Tettigoniidie — General description of the family, habits, life history, 

 etc. — Economic importance — The Gryllida' — General statements — Sounds — 

 Ears — -Economic importance — Kinds of crickets — Tree crickets — Control. 



CHAPTER XVII 



The Isoptera 91 



The colony — -Its composition — Castes — Stnictures — Distinctive characters 

 — Food — Swarming — Common species — Life and habits — Injuries — ^Control 

 — Zoraptera. 



CHAPTER XVIII 



The Dermaptera 95 



General description — Distinctive characters — -Importance — Habits — 

 Different species — The European earwig — Injuries — Control. 



CHAPTER XIX 



The Coleoptera 98 



Structure — Distinctive characters — Life histories and habits — Division into 

 Coleoptera vera and Rhynchophora — Coleoptera vera — Lamp,yridae — 

 Carabidaj — Cicindellidse — Dy tiscidae — Gy rinidse — Hydrophilidae — Staphy- 

 linidae — Silphidse — Dermestidae — Larder beetle — Buffalo Carpet beetle — 

 — Black Carpet beetle — Control — Buprestidse — Flat-headed Apple-tree 

 Borer — Elateridse — Wireworms — control — Scarabaidse — June bugs — Rose 

 chafer — -Japanese Beetle — Chrysomelida; — ^Colorado Potato Beetle — 

 Change of food a possible pest producer — -Striped Cucumber Beetle- — Corn- 

 root Worms — Flea Beetles — Asparagus Beetles — Grape Root Worm — Elm 

 Leaf Beetle — ^Tortoise Beetles — Bruchidse — Pea Weevil — Bean Weevil — . 

 Broad Bean Weevil — Control of Weevils — Cerambycidse — Round-headed 

 Apple-tree Borer — Coccinellida? — Tenebrionidse — Yellow Meal-worm — 

 Meloidse — Rhynchophora — Plum Curculio — Plum Gouger — Cotton Boll 

 Weevil — White Pine Weevil — Alfalfa Weevil — Potato-stalk Weevil — Sweet- 

 potato Weevil — Ipidae — Fruit-tree Bark Beetle. 



