THE PRESENT INVENTION RELATES TO A METHOD FOR CONTROLLING ARTHROPODS COMPRISING THE APPLICATION OF AN AQUEOUS GEL WHICH CONTAINS AN INSECTICIDE, AN ATTRACTANT AND A THICKENER, WHEREIN THE AQUEOUS GEL IS APPLIED IN THE FORM OF SPOTS ON FRUIT TREES. THE INVENTION FURTHER RELATES TO AN AQUEOUS GEL COMPRISING AN INSECTICIDE, AN ATTRACTANT, A THICKENER, A HUMECTANT AND A FEEDING STIMULANT. THE INVENTION ALSO RELATES TO A CONCENTRATED GEL FOR PREPARING THE AQUEOUS GEL.