Jim from Fruita, Co writes
Martin's Permethrin 13.3% is mixed at the rate of 2 2/3 - 5 1/2 oz. per gallon of water depending on where you are treating.
This article from your Colorado Extension has great information about this pest and its life cycle. They suggest treating around your home for the best defense against this pest since the trees will already have populations too established for you to control with insecticides.
Answer last updated on: 07/05/2019