One way to remove these pests is with insecticidal soap. The product contains potassium salts of fatty acids that are effective at killing soft-bodied bugs, like aphids and spider mites.

Homeowners can apply their own foliar sprays (Sevin, Malathion) when psyllids are observed. Softer foliar insecticide options include horticultural oils and insecticidal soaps. However, these products ...