The following descriptions correspond to the numbered photographs on the next pages.
5-1. Adult chinch bug on field corn foliage.
5-2. Chinch bug nymph.
5-3. Field corn seedling damaged by chinch bug and showing distortion, yellowing and delayed leaf unfolding.
5-4. Adult corn flea beetle and foliar damage.
5-5. Adult thrips on field corn foliage and resulting damage.
5-6. Mature black cutworm larvae.
5-7. Cutworm damage to seedling field corn.
5-8. Seed corn maggot larvae and associated damage on seedling field corn.
5-9. Adult sugarcane beetle.
5-10. Gouged out feeding damage from an adult sugarcane beetle on seedling field corn.
5-11. Mature white grub larvae.
5-12. Mature wireworm larvae.
5-13. Wireworm feeding damage in seed and newly emerging corn seedlings.
5-14. Immature and mature aphids on field corn foliage.
5-15. Mature corn earworm larvae that has developed on field corn.
5-16. Corn earworm damage to the whorl of field corn.
5-17. Adult European corn borer.
5-18. Mature European corn borer larvae with dorsal integument darker than ventral integument.
5-19. Shot holes produced by corn borer larvae on seedling field corn.
5-20. Adult southwestern corn borer.
5-21. Mature southwestern corn borer larvae within corn stalk.
5-22. Dead heart of field corn produced by corn borer larvae feeding into the
growing point of the whorl.
5-23. Lodging of field corn resulting form corn borer feeding damage in the lower portion of the stalks.
5-24. Newly laid southwestern corn borer eggs.
5-25. Southwestern corn borer eggs after two days of development.
5-26. Mature fall armyworm larvae feeding on kernels of corn.