I got this fancy-shmancy flypaper (well, as fancy as flypaper gets) that had bright colors that were supposed to attract the flies and not look so hideous. I put it in a safe, out-of-the-way corner and it attracted no flies. I put it on the other side of the sink and it attracted the dishtowel. I put it over by the door and stuck myself to it several times.
When I came up from switching the laundry and discovered a distraught D1 with her entire forearm stuck to it, I just took the whole thing down and threw it away. It still didn't have any flies on it. Back to flyswatters.