Reports from Extension field crop specialists on June 28 revealed that the soybean aphid populations are consistently small, or nonexistent, in many fields and the insect is not a significant problem anywhere in Iowa. Paul Kassel, Extension field crop specialist, reported that a crop consultant had found soybean aphids in Buena Vista County, but again this was a small population. Matt O'Neal, assistant professor of Entomology, noted that the soybean aphids in his research plots in Ames were slowly increasing and had spread to about a half dozen plants in two rows.
Iowa State University
Rice, Marlin E., "Soybean aphids mostly quiet in late June" (2004). Integrated Crop Management News. 1583.
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