In order to kill bed bugs with a dry ice trap, you will need the following: a dog bowl, a towel, a cooler, a cotton ball, painter's tape, and talc powder. Your goal here is to make a trap for bed bugs. It is a monitor. It is designed to trap hungry bed bugs. This will help you to find out if you have a bed bug problem. The dog bowl that you buy a dog bowl, you will need to pay attention to the way that the dog bowl is made. It needs to have steep walls. Tape the sides of the dog bowl. Use the cotton ball to apply talc to the well of the bowl, after you turn it over. Place a towel on the base. Open the cooler a little bit. Place the cooler on top of the towel.