A method for combating and controlling diamide-resistant insects to (i) reduce damage on a plant, which comprises applying to the insect, to a locus of the insect, or to a plant susceptible to attack by the insect an, effective amount of a compound of formula (I); or (ii) protect plant propagation material, which comprises treating the propagation material or the site, where the propagation material is planted, with an effective amount of a compound of formula (I); wherein the compound of formula I is wherein the substituents are as defined in claim 1, and the agrochemically acceptable salts, stereoisomers, enantiomers, tautomers and N-oxides of those compounds, can be used as insecticides.