The present invention relates to a composition comprising at least one biological control agent selected from the group consisting of Bacillus chitinosporus AQ746 (NRRL Accession No. B-21618) Bacillus mycoldes AQ726 (NRRL Accession No. B- 21664) Bacillus pumilus (NRRL Accession No. B 30087) Bacillus pumilus AQ717 (NRRL Accession No. B- 21662) Bacillus sp. AQ175 (ATCC Accession No. 55608) Bacillus sp AQ177 (ATCC Accession No. 55609) Bacillus sp. AQ178 (ATCC Accession No. 53522) Bacillus subtilis AQ743 (NRRL Accession No. B-21665) Bacillus subtilis AQ713 (NRRL Accession No. B- 21661 ) Bacillus subtilis AQ153 (ATCC Accession No. 55614) Bacillus thuringiensis BD 32 (NRRL Accession No. B 21530) Bacillus thuringiensis AQ52 (NRRL Accession No. B 21619) Muscodor albus 620 (NRRL Accession No. 30547) Muscodor roseus A3 5 (NRRL Accession No. 30548) Rhodococcus globerulus AQ719 (NRRL Accession No. B-21663) Streptomyces galbus (NRRL Accession No. 30232) Streptomyces sp. (NRRL Accession No. B- 30145) Bacillus thuringiensis subspec. kurstaki BMP 123 Bacillus subtilis AQ30002 (NRRL Accession No. B-50421) and Bacillus subtilis AQ 30004 (NRRL Accession No. B 50455) 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 selected from the group consisting of ryanodine receptor modulators in a synergistically effective amount. 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.