Rescue WHYTR-BB8 WHY Trap For Wasps/Hornets/Yellow Jackets (8 TRAPS) (8 TRAPS) Rescue WHY (Wasp, Hornet, Yellow Jacket) non-toxic reusable trap uses no pesticides! Catches 19 species of stinging pest insects in one trap! Environmentally responsible, no killing agents In Spring, catches queens before they build nests; catches workers from summer through fall Will not harm beneficial insects