McNay Research and Demonstration Farm
Following the accidental arrival of the soybean aphid in the Midwest, seven suction traps were set up in Illinois to monitor the seasonal movement of the soybean aphid. The data proved to be interesting in that the catches demonstrated the seasonal spread of this aphid across the landscape.
Iowa State University
Voegtlin, David, "The Suction Trap Network Documents Soybean Aphid Migrations" (2011). Iowa State Research Farm Progress Reports. 209.