LP]PIDOPTERA 



1G9 







>* 



^ 



A B 



Fig. 139. — A, Male, and B, female, gypsy moths. Natural size. (Forbush 

 and Fernald.) 



TH£tGOS .- 

 V/AJ E MON T HS 



VITAL PERIOD^. 

 The GYrSY/LiFi 



R-jHc WOS 



intheLI FEoi 

 K\QTH 



A 



lo: 



:x/ 



^-•J_0 DAYS_ 



Fig. 140. — The life cycle of the gypsy moth. (Figures after Forbush 

 and Fernald.) (Bull. No. 121, New Hampshire State Experiment Sta- 

 tion, December, 190.5.) 



The gypsy moth {Ocne'ria di'spar) (Fig. 139), imported from Europe in 

 1868, has become a great pest of forest and shade trees in Massachusetts. 



