According to the U.S. Drought Monitor, southeastern and south central Iowa are experiencing prolonged heat and moisture stress. In early August, there were twospotted spider mites detected in corn and beans. I recommend scouting corn and soybean fields for mite infestations this month, especially in these areas.
Iowa State University
Hodgson, Erin W., "You “Mite” Want to Scout Drought-Stressed Crops" (2018). Integrated Crop Management News. 2482.
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