CONTENTS 



PART I. INTRODUCTORY 



I WHAT AN INSECT IS LIKE: OUTSIDE 3 



II WHAT AN INSECT IS LIKE: INSIDE 17 



III HOW AN INSECT GROWS UP 29 



PART II. THE PRINCIPAL GROUPS 

 OF INSECTS 



IV ORTHOPTERA 37 



V ODONATA 51 



VI EPHEMERIDA 60 



VII HEMlPTERA 69 



VIII TRICHOPTERA 76 



IX NEUROPTERA 85 



X COLEOPTERA 94 



XI LEPIDOPTERA 107 



XII DIPTERA 115 



XIII HYMENOPTERA 124 



XIV OTHER ORDERS OF INSECTS 130 



XV RECOGNITION CHARACTERS 135 



PART III. INJURIOUS INSECTS AND 

 THEIR CONTROL 



XVI PLANT PESTS 140 



XVII ANIMAL PESTS : 143 



XVIII CONTROL MEASURES 145 



VII 



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