Steve from St. Maries, Idaho writes,
Looking for systemic insecticide to use on Maple and Conifer trees infected with aphids
We have 15 trees of various size diameter and are concerned about the cost to treat them all.
You could Certainly use Criterion 75 WSP to treat Aphids in Maple and Conifer trees. Please refer to the product label for application instructions
Answer last updated on: 06/13/2013