Sprinkled this on several different trails of argentine ants, and in every case the ants ignored it. Then I placed a piece of ham on the trail to test if they were hungry, and they devoured it. I found this to be useless for ant control
I have used up the first container of the 2 that I bought,what looks to be happening is that when applied to a mound the entire mound isn't dying, it just moves over near by and creates another mound! apparently this product is not working.