Gipsy moth 



Por-thetria dispar Linn. 



Practicall.v clean stands of pine and maple near Metheun, Mass., June 

 30, 191 1. These areas were protected simply by cutting out the 

 favorite food plants and practically no injury resulted, as the young- 

 caterpillars were unable to develop upon either the pine or maple. 



160 



