I've got them on my apple and cherry trees. Not overwhelmed with them but enough to worry me. I cut some of the lower branch ends off that had the nests and put them in a coffee can with some diesel and some of the higher ones I used a small propane soldering torch and lit them up but had hot little worm carcases falling on me and didn't make the tree look good either but I think I have them under control. I didn't want to use any insecticides because my bees are only a few feet away.
