These are two essential organic types of insect control products for bonsai. Fairly well known amongst bonsaiists. The first on the left is Neem Oil. It is not so well known, but is organic by nature and a natural product for use on bonsai. It works well as a fungicide, insecticide, and a miticide. Controls black spot, rust, powdery mildew, and more, caterpillers, aphids, spider mites, red mites. Safe on roses, flowers, fruits vegetables, and houseplants. 24 fluid oz., premixed at .09 percent. The insecticidal soap on the right is much more known to bonsaiists as a very safe material to use to control insects. Insecticidal soap is made from the potassium salts of fatty acids mixed in a soapy solution. Works safely around your plants on many insects such as aphids, mealybugs, whiteflies, scale, etc.  8 fluid oz. ready to use. Both are ready to use from the bottle and safe for spot insect control on your bonsai.