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Midsouth Entomologist

Abstract

Survey-based soybean insect losses were collected following the 2015 growing season to provide a record of insect pressure and soybean management practices for the year. This survey has been done annually in all participating states for at least the last 5 years and since 2004 in Mississippi. The 2015 survey represents 11.7 million soybean acres across the southern United States. Overall, stink bugs re-emerged as the most expensive pest in soybean followed closely by corn earworm and soybean looper. The proportion of fields planted with insecticide seed treatments decreased slightly for the second consecutive year to 60% of all acreage. The number of foliar applications also declined, as has been the trend, to 1.34 applications during the season. Total insect management costs totaled $23.85 per acre during 2015 with an additional cost of $14.25 in estimated yield lost to insects, resulting in total costs and losses of $38.11 per acre during 2015, the lowest overall insect loss estimates since the current states began recording losses five years ago.

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