What it catches: The RESCUE! Trap catches 5 species of Paper Wasps; Bald-faced Hornets and European Hornets; and 12 species of Yellow jackets. How it works: The W.H.Y. Trap has a top chamber and a bottom chamber. The top chamber is baited with two attractants-one of which is a solid contained in a vial, and the other a liquid mixed with water. The bottom chamber is baited with a liquid attractant poured onto a cotton pad.
