I have two trees in my front yard that are approximately 25' tall. I have no idea what kind of tree they are. Every year about this time, the trees become infested with aphids. Apparently aphid droppings are sticky goo, which cover all my vehicles parked below.
It gets so bad my windows won't roll down because they're so sticky.<br /><br />What can I do to kill these little ********? Last year I bought some insecticide that attaches to a garden hose. It worked well, but I could only reach about half way up the tree with the spray. Is there anything else I can try before I call an exterminator or fire up the chain saw?