CONTENTS. 



Page. 



Introduction 17 



History 1 " 



Recent records 19 



Nature and extent of injury 19 



Origin and distribution 20 



Classification 21 



Description 21 



The adult 21 



The egg 21 



The first-stage larva 21 



The second-stage or mature larva 22 



The young nyni]ih or prepupa 22 



The fuU-groAvn nymph or pupa 23 



Habits of the adult ' 23 



Hatching of^lhe egg 24 



Habits of the larva 24 



Habits of the prepupa and pupa 25 



Food plants 25 



Life cycle 25 



Natural control : 28 



Artificial control 28 



Bibliography 28 



nx 



