CONTENTS 



CHAPTER I 



A General Acquaintance with Leaf-Mining Insects 1 



The leaf as a dwelling place 3 



The insects 6 



Life histories 9 



The mines 12 



Mining operations 16 



Frass 20 



Tenancy 21 



Origin of the leaf -mining habit 22 



Integradations with other habits 23 



Enemies 29 



Collecting and rearing leaf -miners 31 



CHAPTER II 



Extent of the Leaf-Mining Habit 35 



Economic species 35 



Host plants 37 



Table of orders of leaf mining larvae 39 



CHAPTER III 

 Order Lepidoptera 41 



CHAPTER IV 



Suborder Jugatae 71 



Family Eriocraniidae 72 



CHAPTER V 



Suborder Frenatae, Superfamily Incurvarioidea 79 



Incurvariidae 79 



CHAPTER VI 



Superfamily Nepticuloidea 85 



Nepticulidae 85 



CHAPTER VII 



Superfamily Tineoidea 92 



Tischeriidae 92 



Lyonetidae 95 



Gracilariidae 115 



Coleophoridae 141 



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