Bed Bugs Traps-eco-keeper,bedbugs Bed Bug Trap,bed bug monitors,bed bug detection-4 Traps Great to use for monitoring and trapping Saves money and time,Easy detection and inspection Easy placement of the device This is very effective as the bed bugs like to hide in cracks and crevices that are close to their feeding sites. There are also many cracks and crevices on the bottom board of the Eco Keeper Bed Bug Monitor and Glue Trap which attracts the bed bugs to use as a form of harborage.