Corn Earworm and Armyworm Damage
scouted Aug. 9, 2023
- Background
- Soybeans were scouted at the R5 growth stage and intensive feeding of foliage, and pods were observed. When scouted with a sweep net, corn earworms and armyworms were discovered to be well above threshold.
- Conclusion
- This injury was confirmed by an NC State Extension Specialist as damage from both Corn Earworms and Armyworms. Corn earworms and armyworms can cause severe damage to soybeans at this later growth stage. Armyworms and corn earworms are at the point of their life cycles where they have large appetites, and feed mainly on developing seeds. This is where the most serious yield loss can occur. Treating this damage with the use of an insecticide along with continued scouting is recommended.
