Japanese beetle adults are beginning to emerge in eastern Nebraska corn and soybeans, as well as landscape trees and shrubs. They will continue to emerge for the next few weeks. This story includes a guide for estimating total defoliation from multiple insects to determine need for treatment in soybean.
Pheromone traps have been established at several locations in eastern Nebraska to monitor for several spring migrants to Nebraska; black cutworm, variegated cutworm and true armyworm moths. Find the latest report here.