How do you treat lime tree for aphids?

Introduction of and support for natural predators and use of botanical and chemical controls are ways to treat lime trees for aphids. Treatment by natural enemies focuses upon such voracious aphid-eaters as ladybugs and syrphid flies. Botanical controls include horticultural oils against eggs and insecticidal soaps against immature and mature stages whereas chemical controls at their eco-friendliest list as active ingredients pyrethroids.