- The Insect
- Management
- Scouting Techniques
- First Generation
- Second Generation
- Reaching a Management Decision
- First Generation in Whorl-Stage Corn
- Second Generation in Tassel-Stage or Later Corn
- Cost-Benefit
- Timing Insecticide Treatment
- Application Equipment
- Resistant Varieties
- Biological Agents
- Transgenic Corn
- Weather
- Cultural Practices
- Commodities
- Predictive Models
- Galleries
Corn stalks that are heavily tunneled by European corn borer larvae may break over during strong winds or rainstorms. Frass at the break indicates that European corn borers were responsible for the injury.