The pheromone trap data website shows that western bean cutworm flights are now occurring across Iowa. As mentioned in the previous two ICM Newsletters, scouting is the key to knowing if and when to apply insecticide treatments for control. To scout corn, check 20 consecutive plants at five locations.
Iowa State University
Pilcher, Carol and Pope, Richard O., "Western bean cutworm: Is it time to scout?" (2005). Integrated Crop Management News. 1484.
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