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Extension Entomology

SOYBEAN – bean leaf beetle

–by Dr. Jeff Whitworth

Most soybeans have developed well past the point of being susceptible to soybean pests (excluding lodging due to Dectes stem girdling). However, there are still some late-planted fields that have pests feeding on the pods. See (fig 3) of grasshopper feeding bite site and bean leaf beetle chewed hole. However, grasshoppers should be dying soon and thus not causing much actual damage. The bean leaf beetles will soon be migrating from these soybean fields to overwintering sites.

Figure 3. Soybean pod damage by grasshopper and bean leaf beetle (Cayden Wyckoff)

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