6 FIELD WORK AGAINST GIPSY AND BROWN-TAIL MOTHS. 



Page. 



Methods now used in fighting the gipsy moth 63 



Cost of methods employed 69 



Value of natural enemies in controlling gipsy and browif-tail moths 70 



The introduction of parasites and natural enemies of the gipsy and brown-tail 



moths 71 



Value of the work of suppression to the farmer and fruit grower 72 



Suggestions to the owners of private property in the infested districts 72 



The outlook 74 



The more important American publications on the gipsy and brown-tail moths. 77 



Index 79 



