ARMY WORM AND CUTWORM OUTBREAKS 
345 
‘"alfalfa cutworm/’ The region of heaviest infestation in Iowa 
in 1919 of this pest was in the southwestern part of the state. 
Page county was one of the counties hardest hit. In it alfalfa, 
clover and wheat suffered severely. An active control cam- 
Fig. 59. 'Army worm feeding on corn (life size). 
paign was conducted with good results as shown by a special 
report of County Agent Eichling. Montgomery and Pottawatta- 
mie counties seem to come next in order of severity. Further 
east in Marion, Mahaska, Jefferson, Van Buren and other coun- 
ties it seems that the Army worm (Leucania unipuncta Haworth) 
did more damage than the Variegated cutworm while in the 
counties still further east the Army worm held the field unchal 
lenged by its closely related competitor. 
The Army worm seemed to confine itself in choice of food 
very largely to plants; of the grass family, corn, small grains, 
timothy meadows and blue grass pasture suffering most heavily. 
In several places corn fields were invaded and the crop over 
areas up to five acres or more was seriously damaged or totally 
