We have had the worst issue with Yellow Jackets and hornets this year. I am a bit confused about the yellow jackets and what we have been experiencing. I use to spray them with Hornet spray, and that would usually kill the nest, however my wife uncovered a basketball sized nest of yellow jackets the other day, and after she was stung, I used my tractor, and a long rope to pull the ATV away quickly where they had attached them selves to the tarp covering it. I then proceeded to use 7 cans of hornet/wasp spray over the next two days,a nd they would not die. i switched brands, and even with their nest crumpled on the ground, they just kept living, and coming back, even after the nest was saturated with spray. I finally had to light the nest on fire with gas, and it burned for almost 45 minutes, and they were still dying. They are finally gone, and we have another HUGE nest that we have been walking over all summer next to a wild blueberry bush, that we picked from all summer. We have used several cans, a hose with insect killer spray in the hole, we lit it on fire, and the opening burned for about 30 minutes, and we used several more cans, and they will not die! I am lost about what to do next. I thought about buying a can of the insect bomb, setting it off, and sticking it in the hole, or possibly a smoke bomb that is used for rodents? I want to pour quickrete in the hole, but then I would just make them a hardened shelter. Any ideas? I really, really hate yellow jackets, and my tractor seems to attract them..