RESCUE! Non-Toxic Wasp, Hornet, Yellowjacket Trap Attractant Refill, 2 Weeks This refill works with the RESCUE! WHY Non-Toxic Reusable Trap for Wasp, Hornet and Yellowjackets An effective, environmentally responsible attractant Catches queens in spring before they build nests; attractant will not lure benecial honeybees Attracts four species of paper wasps, bald-faced hornets and European hornets, and 12 species of yellowjackets Made in USA; no poisons or killing agents used