Are you wondering what thresholds to use for a given insect pest, what products are labeled for it, what the pre-harvest intervals of those products are? Check out the Michigan State University / Ohio State University Field Crops Insect Pest Management Guide written by Drs. Chris DiFonzo and Kelley Tilmon, which is available for download or print at https://aginsects.osu.edu/sites/aginsects/files/imce/2021%20IPM%20Guide%20Online%20Version.pdf
This guide contains information on the biology and management of field crop insect pests in Michigan and Ohio. Content is available for several agronomic crops: field corn, soybean, wheat, alfalfa, grass forage, dry beans and sugar beets.