Untreated Treated

• Approximately 50 % of U.S. sugarbeet acreage is infested with the sugarbeet root maggot at levels that cause economic damage. • Insecticidal control of the sugarbeet root maggot increases sugarbeet yield by 40 % in the Red River Valley. • The sugarbeet root maggot rasps the surface of the sugarbeet root causing leakage of beet fluids from the damaged areas. • A fungus has been developed for control of sugarbeet root maggot; however, the fungus is ineffective where the maggot is fairly numerous. Technical Summar