That stuff is bifenthrin. That is not bait. That is a common contact insecticide. Mow. That will stir up the ants. Then put on the proper amount of product. Leave the area alone for awhile. Then check for progress over several days. More than likely you will have to do this as many times as the product tag allows in one year. You also may need a different product. To battle ants you really need to target the mounds if possible and start in the early spring. But now is as good a time as any if they bugs bite. Check with your local university extension office for more information. Do not worry about the GOOD bugs. Nature will supply you with plenty from all the land around you. If it were not for elimination of bugs the average roasting ear in the grocery store would cost 20 bucks.