64 - 
Losses over a large part of the infested area extending eastward 
from Indiana to the Atlantic coast were much lower in 1941 than in 1940, 
corresponding to a general decrease in abundance of the corn borer. The 
principal reduction in money damage by the borer to sweet corn in 1941 
was due to this change in the status of the insect. Over 80 percent of 
the total loss caused by the borer to corn for grain in 1941 occurred in 
the extensive acreages surveyed in Ohio and Indiana, where the pest either 
continued to be abundant or increased appreciably from 1940 to 1941. As 
a result of this condition in the Corn Belt, the total damage to grain 
corn in 1941 slightly exceeded that of 1940. 
