The following methods using a pesticidal composition containing a macrolide compound (I), optionally in salt form, are claimed: (1) a method for controlling pests in transgenic crops, comprising applying the composition to the pests or their environment； (2) a method for protecting plant propagation material "and plant organs that grow at a later date" from attack by pests, comprising employing the composition "in the immediate spatial vicinity of, or spatially together with, the planting or use of the propagation material at the site of planting or sowings"； (3) a method for controlling wood pests and molluscs, comprising applying the composition to the pests or their environment. Also claimed is a composition for controlling wood pests and molluscs comprising an active pesticide containing at least one macrolide and at least one auxiliary.
