Yearbook U. S. Dept. of Agriculture, 1916. 



PLATE III. 



I 



1 



FIG. I. WOODLAND COMPLETELY DEFOLIATED BY GIPSY-MOTH 

 CATERPILLARS. 









FIG. 2.-APPLE ORCHARD COMPLETELY DEFOLIATED BY BROWN- 

 TAIL MOTH CATERPILLARS. 



