Yes, Phil, they are spraying for aphids in Iowa. Erin and I discuss where in Iowa soybean aphid outbreaks are occurring and the factors that help explain some of the variation in aphid populations between fields. The occurrence of two other pests are noted. Finally, Matt was interviewed on Agribusiness Reports about his lab's work on efforts to conserve bees. For more info see:
(Skip to 1:49): http://whotv.com/2013/08/27/agribusiness-hot-weather-threatens-promising-hog-market/
(Skip to 0:35): http://whotv.com/2013/08/28/agribusiness-researcher-says-bee-habitats-have-multiple-benefits-for-growers/ 

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