In trying to help answer another person's question, I realized that I have one of my own.
I try to manually remove the tent moths from my trees every year, using both a step ladder and extension ladder. But, I still can't reach them all. I live in Virginia, USA.
How effective/harmful would spraying Diatomateous Earth in liquid form be (using a hose sprayer) be on those tents that I can't reach, so that they don't spread? We would only be specifically spraying the tents. (And no, I don't use it in my gardens or yard, myself.)
I have a very sweet neighbor who has different views on things. (He loves grass. Not gardens, bugs, and birds.) We have always been able to compromise, and he no longer sprays pesticides and weed killers onto my property with his hose, but we do have some trees that border our properties, and I am hoping to come up with a solution that will make us both happy this year.
I welcome any and all advice (including alternative solutions) as an answer to this question! Thanks.
(Added info) The hose jet-streaming method (although being the ideal solution) has not worked to break open these tents unless you are pretty close to them. It doesn't work on the higher tents, even when I am trying to shoot them from a ladder, with the strongest water pressure that we have.