Traditionally, western bean cutworms have been a pest of field corn in Colorado and Nebraska. However, this insect pest has caused significant damage to some Iowa corn fields since 2000. To assist in scouting efforts for this pest, a network of pheromone traps was established in Iowa starting in 2003. Each year these traps have detected the current distribution of the western bean cutworm and have provided information on the proper timing to scout for this pest. In 2004, western bean cutworm adult moths were captured in more than 90 pheromone traps placed throughout Iowa.
Iowa State University
Pilcher, Carol; Rice, Marlin E.; and Pope, Richard O., "Western bean cutworm: Pheromone trapping program" (2005). Integrated Crop Management News. 1483.
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