LEPIDOPTERA 



169 



A B 



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



and Fernald.) 



THE: EGGS r,vt A IN QN THE: TREES 



;V INE MONTHS IN T HE Yf\R;TH MOST 

 VITAL PtR/OD^ 



THE GYPSYfLlFEyfiOTH 

 YCU 



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

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

 tion, December, 1905.) 



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. 



