Slender, hard-bodied, yellow and shiny larvae are found in Corn, Potatoes and other root crops, vegetables, Strawberries and flowers. They pupate in summer or early fall and a few weeks later emerge as adults.
Adults are hard-shelled, gray, brown or black, elongated beetles.
When on their back they will flip up in the air making a clicking sound when landing. Adults live 10-12 months, mostly in the soil. Seedlings wilt and die. Granular Diazinon incorporated in the soil just prior to planting. When using pesticides always read the entire label on the container and follow the directions.