Example 5: The Strain BG 1 of the entomopathogenic fungus Beauveria bassiana was formulated in invert emulsion formulation and then tested against the larvae of yellow mealworm (Tenebrio molitor) ( Table 6). The selected formulation of invert emulsion used to formulate the fungus strain has the following ingredients: (i) oil phase comprising of: 1 – oil of plant-origin (Canola oil: 480 g/kg), 2 – oil-soluble emulsifier (Tween 20: 20 g/kg); (ii) water or aqueous phase comprising of: 1 – sterile distilled water (200 g/kg), 2 – conidial suspension of the entomopathogenic fungus in water (B. bassiana, strain BG 1, 250 g/kg, concentration: 1 × 108 conidia/ml), 3 – glycerine (42.5 g/kg), and 4 – water-soluble emulsifier (Dehymuls k: 7.5 g/kg). The total weight of ingredients involved in preparation of invert emulsion was 1 kg. It is equally divided between the water phase and the oil phase of the emulsion (500 g: 500 g).