RESCUE!® Disposable Yellowjacket Trap. This easy-to-use trap is designed for quick knockdown and control of several species of yellowjackets in the western U.S. (Mountain & Pacific Time Zones). Simply cut the top on the dotted line, pull up on the tab, add water, and hang. No touching of the bait or the trapped insects is required. After 2-3 weeks, close the top and discard in the garbage.