What is in this article?:
- Review scouting recommendations and calendars from your state Extension specialists, field guides and other resources.
- Establish a crop scouting plan and long-term record keeping for your crops, your fields and your management system.
- Schedule adequate time to do scouting yourself, contract with a consultant or input supplier or some combination of the three.
- Review tools from past seasons, update field guides, download PDFs and practice with new tools such as iPads, smartphones, optical sensors or handheld GPS units if you’re not familiar with them.
- Identify and follow a statistically valid scouting pattern that gets deep into the field and crosses multiple rows.
- Check with local agronomists and Extension specialists and attend local field days to be aware of developing pest issues and adapt scouting plan accordingly.
- Always scout first as part of an integrated pest management plan and treat only when needed to protect beneficials and avoid resistance.
- Evaluate this year’s ROI actions and adjust next year’s plans accordingly.
Corn Pest Scouting Calendar
According to Purdue University, these pests with the highest potential for crop damage appear at the top of the calendar within the red bar, while the pests with the lowest damage potential occur at the bottom of the calendar, represented by a violet bar. (Pests and timing may vary by state so check with your area Extension specialist.)