CONTENTS. 



Introductory, 



Acknowledgments, . 

 Nature of insect parasitism, 

 Natural control of the gypsy moth, . 

 Parasite introduction in theory and practice, 

 Sequence of parasites. 

 Parasites of the gypsy moth in Japan, 

 Parasites of the gypsy moth in Europe, 

 Parasites of the gypsy moth in America, 

 Parasites of the egg, 



Anastatus hifasciatus, 

 Schedius kuvance, 

 Parasites of the caterpillar, 

 Glyptapantdes fvlvipes, 

 Blepharipa scutellata, 

 CompsUura concinnata, 

 Tachina larvarum and Tricholyga grandis, 

 Zygobothria gUva and Carcelia gnava, . 

 Parasites of the pupa, .... 

 Theronia sp., 

 Chalds fiavipes, 

 JdonodontOTnerus aereus, 

 Progress of the parasites in Massachusetts, 

 When will the parasites become effective? 

 The work in 1910, .... 

 Parasites of the brown-tail moth. 



FAOE 



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