The present invention relates to a composition comprising at least one biological control agent selected from the group consisting of Bacillus subtilis var. amyloliquefaciens FZB24 and Bacillus amyloliquefaciens FZB42, and/or a mutant of these strains having all the identifying characteristics of the respective strain, and/or a metabolite produced by the respective strain that exhibits activity against insects, mites, nematodes and/or phytopathogens and at least one insecticide in a synergistically effective amount, with the proviso that the biological control agent and the insecticide are not identical. Furthermore, the present invention relates to the use of this composition as well as a method for reducing overall damage of plants and plant parts.