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 Blattidse Descrip- 

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

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

 The -Mantidae General considerations Common Mantids The Phas- 

 midse General description of appearance, life history and habits Eco- 

 nomic importance Control The Saltatoria General features The Acri- 

 didse Description of grasshoppers Abundance Economic importance 

 Control Kinds of grasshoppers Sounds produced Organs of hearing 

 The Tettigoniidse General description of the family, habits, life history, 

 etc. Economic importance The Gryllidse General statements Sounds 

 Ears Economic importance Kinds of crickets Tree crickets Control. 



CHAPTER XVII 



THE ISOPTERA 91 



The colony Its composition Castes Structures Distinctive characters 

 Food Swarming Common species Life and habits Injuries Control 

 Zoraptera. 



CHAPTER XVIII 



THE DERMAPTERA V , . . 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 Lampyridse 

 Carabidae Cicindellidae Dytiscidse Gyrinidae Hydrophilidse Staphy- 

 linidae Silphidae Dermestidse Larder beetle Buffalo Carpet beetle 

 Black Carpet beetle Control Buprestidse Flat-headed Apple-tree 

 Borer Elateridae Wireworms control Scarabseidae June bugs Rose 

 chafer -Japanese Beetle Chrysomelidae 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 Cerambycidae Round-headed 

 Apple-tree Borer Coccinellidee Tenebrionidae Yellow Meal-worm 

 Meloidae Rhynchophora Plum Curculio Plum Gouger Cotton Boll 

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

 potato Weevil Ipidae Fruit-tree Bark Beetle. 



