This patent describes a longer/variable length glue trap barrier that consists of multiple substrates connected to one another by perforation, each with a layer of non-drying glue extending completely from end to end along the longest dimension of the substrate. The barrier can be sized to fit a desired space by tearing along the perforation, and multiple barriers can be attached to one another for extended length and custom configurations. If and when a pest is caught in one of the individual traps within the longer barrier, the perforation allows for easy removal and disposal of the trap, and a new one to be put in its place, restoring the continuity of the barrier.