('(intents 



Page 



Introduction 1 



Natural enemies of Aphididae 3 



Some Formosan Aphididae 9 



Field (diservations on some Aphididae in Formosa (supplement) 56 



Food plant catalogue of the Formosan Aphididae (supplement 2) 59 



General consideration on the Formosan Aphididae 64 



Plates 

 Index 



