Rescue W&middot;H&middot;Y Trap for Wasps, Hornets & Yellow jackets(2Pack) Proven to capture Paper Wasps, Bald-faced Hornets, European Hornets and Yellowjackets Two-week attractant kit included; no extra food bait required Catches queens in spring before they build nests Catches foraging workers from summer through fall Double-chambered design prevents insects from escaping