The Tomato Leafminer Tuta absoluta is a pest of great economic importance with high reproduction capabilities and short generation life cycle which makes it at risk of developing resistance. The pest has spread from L. America, where there is already resistance to a range of MOA groups, to Europe, the Middle East and N. Africa. Using the Tuta absoluta poster IRAC is taking pro-active steps to advise on key management strategies to evaluate and reduce the spread of resistance.