Orthene, it is the best.But I don't follow the directions exactly, I found a more sure way.BUT my way you also CAN get stung if you are not careful, so I would follow the instructions instead.BUT what I do, is wait until before dusk, just before it starts to cool off.Then I go stir up the bed and sprinkle about a couple tablespoons full (depends on the size, but a larger one a couple) while they are all riled up. Then back out quickly.It works typically by them walking across it and it sticks to their body, and they carry it into the mound where it kills them all. So when I sprinkle it on a crap ton of them, right before their bedtime, it seems to work real good and fast.Almost always the queen and everything, in less than 2 days.It does sort of smell, like a nasty dog fart.I think they carry it in, then the other ants start an argument on who farted. Since so many of them (the way I do it) seem to have farted, a big fight starts, and they kill each other.But I am guessing at that part
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