370 OHIO EXPERIMENT STATION: BULLETIN 332 



PLATE XX 



THE FALL WEBWOEM 



(Hyphantria cunea) 



Fig. 1. Adult, larvae and pupae, all slightly enlarged. The three illus- 

 trations of the larva indicate the variability in coloring of the insect in this 

 stage. 



After Riley. 



Fig. 2. The silken web which encloses the cluster of feeding caterpillars. 



Fig. 3. A sycamore tree practically defoliated by the fall webworm. The 

 discarded, unsightly webs may be seen still attached to the tree. 



