Soybean aphid migration is underway in NW Minnesota. Scouting indicates winged aphids are being found in fields. In some fields, the small infested hot spots (3-4 row feet of heavily infested plants) are more readily detected.
Scouting fields needs to begin in earnest to determine where your fields are in the process. The following link will take you to a refresher on aphid biology, scouting and treatment decision making.
More updates as this progresses . . .