Knowing when to scout for potential corn pests is one of the key components to a successful pest management program. Many insect pests occur in corn across Iowa, but not all of them develop economically damaging populations. Most problems occur when corn is still young and the plant stand is more likely to suffer serious injury. This scouting calendar will help you focus your efforts on what insects to watch for during specific corn growth stages.
Iowa State University
Rice, Marlin E., "Corn insect scouting calendar for 2001" (2001). Integrated Crop Management News. 1960.
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