4 
SPECIAL BULLETIN NO. 8 
Fig. 2. Seed-Corn Maggot on Bean (Lugger) 
planting time to allow it to become well rotted. Rolling the soil after planting 
also has been suggested to keep the flies from the seed. If it is known that the soil 
is infested, injury might be prevented by treating the seed with tar in the same 
way as repommended for combating wireworms. 
WHITE GRUBS 
The injury to corn caused by the grubs eating the roots may only slightly re- 
tard growth, or, if much of the root system is weakened or destroyed, the stalk|may 
be easily blown over. 
