Treated Untreated

• In the early 1900s, insects reduced the cranberry crop in eastern states by 50% • Although there are fewer insect pests on the west coast, one pest, the blackheaded fireworm, can destroy 40 % of the crop if not controlled • The main non-chemical insect control method, flooding fields, can severely damage cranberry plants. • The cranberry plant is native to North America and the major insect pests are native as well