There is no such thing as armadillo bait. See they primarily eat worms and grubs. I have heard of people trying worms in a stocking but I have never heard of it working. The truth is armadillos rarely eat anything that they don't dig up. They best way to trap a dillo is to use direction. Put up barriers around the trap forcing the animal into the trap. Around the den is the best place for this. The den is normally very close to the site of the most digging. Good luck.