Information from Dupont on triflumezopyrim, their new mesoionic insecticide for control of rice hoppers, has been reviewed by the IRAC MoA WG and a classification to Group 4E agreed. The first registration for triflumezopyrim is expect in 2015 after which the active will be include in the IRAC MoA Classification Scheme. Meanwhile a new appendix will be added to the scheme to cover actives such as triflumezopyrim that have been classified but are pending registration.