128 IOWA ACADEMY OF SCIENCE Voi,. XXVIII. 1921 
Fig. 26a. Worms on a denuded spot in a meadow. 
mon to find thirty or more larvse feeding on one clover plant. 
Mr. A. E. Albert living north of Eldon had 65 acres of clover 
which was almost wholly killed. A part of this meadow was al- 
ready plowed when we visited it. Many weevil larvse could be 
seen in the furrows. A count of the larvse was made for five 
feet of furrow which averaged 108 worms to the foot in length of 
furrow. 
The cutworms (species undetermined) seemed to do even worse 
damage to the clover than the weevils though the two pests worked 
together for the most part. The cut worms ate deeper into the 
plant crown. County agents and farmers in the infested areas 
were about evenly divided in their opinion as to which of the two 
insects was the more destructive. The map shows the counties 
of the state in which damage was known to occur. 
The extent of damage was highly variable in the different 
regions. In some areas the damage was light and of only a tem- 
porary nature. It was seen as summer came on that many fields 
made a much better recovery than had been thought possible. 
Some counties suffered heavilv, the stand being so completely 
killed that many meadows were broken up. Since this came in 
a year with an already too large acreage of corn the loss was even 
greater than would seem at first. 
