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Midsouth Entomologist

Abstract

Survey-based soybean insect losses were collected following the 2013 growing season to provide a record of insect pressure and soybean management practices for the year. This survey has been conducted annually in all participating states for at least the last 3 years and has been conducted in Mississippi for 10 years. The 2013 survey represents more than 10 million soybean acres across the southern United States. Overall, the 2013 survey showed corn earworm to be the most costly insect pest in the region for the third consecutive year. The stink bug complex and soybean looper were the second and third most costly insect pests, respectively. The proportion of soybean fields scouted remained at 61% while the proportion of soybeans planted with insecticide seed treatments increased to 66%. Estimated yield losses from insects during 2013 were 3.86%, or $22.98/acre. An additional $25.72/acre was spent on insect monitoring and protection, giving total insect losses plus costs of $48.70/acre during 2013, lower than the impact of insects during each of the previous 3 years.

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