A method of preventing damage to the seed and/or shoots and foliage of a plant
by a pest includes treating the seed from which the plant grows with a composition
that includes a combination of thiamethoxam and at least one pyrethrin or synthetic
pyrethroid which is selected from the group consisting of taufluvalinate, flumethrin,
trans-cyfluthrin, kadethrin, bioresmethrin, tetramethrin, phenothrin, empenthrin,
cyphenothrin, prallethrin, imiprothrin, allethrin and bioallethrin. The treatment
is applied to the unsown seed. In another embodiment, the seed is a transgenic
seed having at least one heterologous gene encoding for the expression of a protein
having pesticidal activity against a first pest and the composition has activity
against at least one second pest. Treated seeds are also provided.