Neem oil is used to control hundreds of pests, including whitefly, aphids, Japanese beetles, moth larvae, scale, and spider mites. Neem oil does not harm birds, or beneficial insects and soil-loving creatures, such as bees, butterflies, lady beetles and earthworms. Spray combined with Castile soap and water under and over foliage of plants. When combating an infestation use every other day for a up to 14 days.