David Owens, Extension Entomologist; owensd@udel.edu Beans Thrips, leafhoppers, and defoliators are all active or becoming active. Action thresholds for snap bean pests can be found at http://extension.udel.edu/blog/ipm-processing-snap-beans-scouting-guidelines-2003/. Sweet Corn Sweet corn pheromone and blacklight traps are checked twice weekly on … Continue reading Vegetable Crop Insect Scouting