Japanese Beetle Damage

scouted June 17, 2024

Background
Soybeans were scouted at the R1 growth stage and round holes and a lacy feeding pattern was observed in leaves. When scouted, Japanese beetles were present. Damage observed was widespread across the field.
Conclusion
This injury was confirmed by an NC State Extension Specialist as damage from Japanese Beetles. Japanese beetles are generalists and feed on many different plant species. In soybeans, adult Japanese beetles feed between the veins of leaves. Resulting in a lace-like pattern or skeletonization of leaves. Heavy infestations can cause significant levels of defoliation, which can lead to reduced soybean yield. This level of defoliation was not observed at this environment, but continued scouting is recommended.

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