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Soybean Gall Midge Brown Bag Series

January 7, 2021 4:26 PM
Blog Post

Soybean gall midge is an emerging pest that only occurs in five Midwest states. Researchers in Nebraska, Iowa, Minnesota, and South Dakota began investigating this pest in 2019 after widespread reports of significant injury raised awareness early in the 2018 growing season. Although a lot of research is needed to enhance our understanding of soybean gall midge biology, ecology, and management, researchers are able to provide updates and tips for the upcoming growing season.

Soybean Gall Midge Larvae Active in Iowa

July 2, 2020
Soybean gall midge distribution from 2018 and 2019 map

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.

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