We started detecting bean leaf beetles on April 19 this year as part of our annual bean leaf beetle monitoring program in central Iowa. As noted last week, bean leaf beetle mortality was predicted to be low, and based on last year's low numbers, we expected a slight increase in their numbers this year. However, we were surprised by the numbers we have found this past week!
Iowa State University
Bradshaw, Jeffrey D.; Rice, Marlin E.; and Dorhout, David, "Bean leaf beetles return--with a vengeance" (2006). Integrated Crop Management News. 1251.
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