24, U. S. Dept. of Agriculture. 
Plate II. 
Fig. 1.— Fence Row Bordering Alfalfa Field, Showing Clean Cutting, 
which Helps to Reduce the Alfalfa Caterpillar as Well as Other 
Insect Pests. (Original.) 
Fig. 2— Alfalfa Field Showing Close, Clean Cutting Necessary for 
Reducing a Generation of Alfalfa Caterpillars. (Original.) 
Fig. 3.— Fence Row and Ditch Bank Showing Neglected Growth of 
Alfalfa and Grass, which Offers Protection and Hibernating 
Quarters for the Alfalfa Caterpillar and Other Insect Pests. 
CLEAN CULTURE AND THE ALFALFA CATERPILLAR. 
