Successful whitefly suppression is now achieved through the concurrent use of the specialist parasitoid Encarsia formosa, the native zoophytogphagous predatory bug Dicyphus hesperus and products such as biological insecticide BotaniGard??, an entomopathogenic formulation based on the conidia of fungus Beauveria bassiana strain GHA. In this study, experiments conducted in the laboratory and greenho