Evaluating the distribution of soybean gall midge in South Dakota soybean

Soybean gall midge were first detected in South Dakota soybean in 2015. Although they were initially observed as a secondary pest in soybean, during the following years they became a major pest of soybean. In some areas of South Dakota, yield losses associated with soybean gall midge range from 10-50%. The purpose of this study was to determine the distribution of soybean gall midge in South Dakota.