Choosing insecticide that is safe for such natural enemies, green triangular insecticides is the best. Initially, spray only of botanical or biopesticide, no side effects on them. Do not mix two insecticides at yourself; such a ready mix insecticides are available. Adhere on recommended dose, do not increase or decrease, follow recommendations. If the number of beneficial insects appears to be satisfactory, let them work, not nod. If you do not recognize such beneficial insects yourself, seek the help of an expert.