YI 



Page. 



The Apple Leaf Skeletonizer 58 



Literature 59 



DeBcription 61 



Distribution 62 



Life History 63 



Parasites 64 



Remedies 64 



Tlie Leaf Grumpier ' ; 65 



Literature 65 



Description , 71 



DistrilDution 72 



Life History 73 



Tntroduction into New Localities 73 



Parasites 73 



Remedies 74 



The Lesser Apple Leaf Roller 75 



Literature and Nomenclature 75 



Description 82 



Distribution 83 



Life History 83 



Natural Enemies 84 



Remedies '. 85 



Appendix. The Present Condition and Prospects of the Chinch Bug in Illinois 89 



Notes from Correspondents 90 



Life History 93 



Food Plants 94 



Prevention and Remedy 95 



Agricultural Methods 96 



Barriers against Migration 100 



Direct Destruction 101 



Special Procedure Recommended 102? 



Field Experiments Proposed 103.' 



