Springstar Oak Stump Farms Yellow Jacket Trap SYJ24 This is the slim jar version of the original The Oak Stump Farm Yellow jacket Trap, which safely and efficiently catches yellow jackets and other wasps by baiting and capturing them in a transparent jar This trap is more effective because it lets a few insects escape and return to the nest, they then revisit to the trap, bringing more wasps with them right into the trap Traps are reusable, non toxic and safe for the environment