Soybean gall midge was confirmed as an economic pest of soybean in 2018. Worldwide, it is only known to occur in five states in the Midwestern US (Figure 1). Research began in 2019 to monitor the emergence of adults and incidence of larval feeding, as well as management options for the pest. This year, soybean gall midge adults were first collected on June 12 and larvae were detected in soybean on June 23.
Iowa State University
Dean, Ashley and Hodgson, Erin W., "Soybean Gall Midge Larvae Active in Iowa" (2020). Integrated Crop Management News. 2644.
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