CONTENTS 



Introduction 9 



The Egg State 13 



The Larva State 18 



The Pupa State 24 



The Transformations (Metamorphoses) of Insects 26 



-The Imago State 32 



The Internal Organs of Insects 43 



Classification of Insects into Orders 45 



Description of the Orders of Insects 46 



How to Identify the Orders of Larvae 58 



How to Identify the orders of Insects 60 



Classification of Insects into Families ! 65 



' ORDER HYMENOPTERA, (Bees, Wasps, etc.) 65 



ORDER LEPIDOPTERA, (Butterflies and Moths). . . 70 



ORDER DIPTERA, (Two-winged Flies) 87 



ORDER COLEOPTERA, (Beetles) 9i 



ORDER HEMIPTERA, (True Bugs) 112 



SUB-ORDER I. HOMOPTERA, (Similar-winged Bugs). 112 



SUB-ORDER H.HETEROPTERA, (Dissimilar-wingedBugs) 117 



ORDER ORTHOPTERA, (Grasshoppers, Crickets, etc.) 121 



ORDER KE'U'ROPTE'RAJ Dragon F.ie8,May Flies,etc.) 124 



Scale-Insects '. 127 



Beneficial Insects 138 



How to Collect and Preserve Insects 143 



Glossary 151 



Index.! , 163 



