This specialized lure is highly effective against yellow jackets and a variety of other insects. It can last in the field 6-12 weeks, depending on environmental conditions and weather.Specialized lure for yellow jackets and other insectsLasts 6-12 weeksInstructions included Not recommended for indoor use. Fill Yellow Jacket and Wasp Trap (DC-690) ½ full with sugar water, apple juice or other non-citrus juice. Add 2 drops of dish soap and contents of bait packet (DC-697). To increase catches, add a dime size portion of protein bait like fish, cat food, hot dog or hamburger meat. Knot one end of twist-tie hanger and slide through hole in the lid. Hang the trap securely away from food areas and out of reach of children and pets. Traps can be placed on the ground. Rinse and re-bait trap when its full of insects or every 2-3 weeks. Do not place in jar in dishwasher to clean. Traps work best in warmer weather.