366 OHIO EXPERIMENT STATION: BULLETIN 332 



PLATE XVIII 



THE WHITE MARKED TUSSOCK MOTH 



( j-(emerocampa leucostigma ) 



Fig. 1. The frothy egg mass on the outside of the cocoon, about natural 

 size. 



Fig. 2. Adult female of the tussock moth clinging to the cocoon from 

 which she has emerged. Natural size. 



Fig. 3. Adult male, slightly smaller than natural size. 



Fig. 4. Elms, Cincinnati, Ohio, defoliated by tussock moth. 



Fig. 5. Horse chestnut, Cleveland, Ohio, defoliated by tussock moth. 



Fig. 6. Nymphs of a stink bug piercing the cocoon of the tussock moth 

 and feeding on the pupa within. 



