It is later than typical, but we finally detected the emergence of overwintering generation adults in SW MN on June 23. Apparently, our emergence cages missed the beginning of the emergence by a few days. While we did not notice any obvious symptoms, soybean stem dissections revealed some small white larvae. By June 27, we were starting to see a few 3rd instar larvae.
Soybean gall midge infestation viewing in Rock County near Luverne, Minn.
Date: Wednesday, July 13
Time: 1 – 3 pm
This field day provides a hands-on opportunity for those interested in seeing and learning about soybean gall midge, a soybean pest identified in Minnesota in 2018.
You will learn how to recognize soybean gall midge larvae and the symptoms of a soybean gall midge infestation. The current knowledge of soybean gall midge biology and management will be discussed.
There is no charge for the event however, the site is a grower’s field with limited parking access. To help us manage logistics and provide information on weather-related changes, please register at https://z.umn.edu/GallMidgeFD before July 11. In case of wet conditions on the 13th, the field day is tentatively scheduled for the following day.