41% off 30-PK of Raid Flying Insect Catcher Ribbons
Raid Flying Insect Catcher Ribbons can be used indoors or outdoors to catch flies, gnats, moths, and other flying insects. They contain no insecticides and have no aroma. Simply hang a ribbon where flying insects are bothersome. Bugs are attracted to the food-based lure on the tape and they get stuck to it. Each ribbon can last up to 3 months and catch up to 100 flies.
These fly catchers have a 4.3 out of 5 star rating at Amazon and ordering 30 of them there would cost about $7 more.2