Abstract: The present invention provides a strain of entomopathogenic Beauveria bassiana, compositions comprising the entomopathogenic fungi strain or metabolites of the strain, and the use of the entomopathogenic fungi strain and compositions as biological control agents. Methods for the biological control of phytopathogenic insects using an entomopathogenic Beauveria bassiana fungi strain or one or more metabolites thereof, optionally together with other entomopathogenic fungi including fungi selected from strains of Lecanicillium spp., Paecilomyces fumosoroseus, and compositions comprising said fungi or metabolites thereof are also provided.