Stairway to Heaven (with apologies to Led Zeppelin).....
This works great - just a little spread of peanut butter on the plastic bottle and bingo.
In the summer not so much as the ants will have a highway up the wood ramp and eat all the bait.
But in the cooler weather we get one sometimes too a day - it keeps them from getting in the house or shop.
Best mousetrap ever. I used them when we had our cabin on the lake. Never needs attention (except to be emptied) unless it rains a lot and the pail fills with water. I never even used bait, just a coke can on a wire with a ramp up the pail.
And the beauty of it was the one time when I caught a chipmunk. Very easy release, unharmed.
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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles
1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)