Our Drosophila trap supplement contains fructose, sucrose, and citrus extracts. It can act quickly, attract effective flies, and has a high catch rate; Long-lasting, wide-reaching, made with gentle ingredients that are safe for people, pets, fruits and vegetables, and have a human-friendly scent. The way it works is simple: pour the right amount of liquid onto the lid or carton to attract the flies to feed and wait for the number of flies to decrease naturally. Fruit fly trapping supplements protect your kitchen, pantry, and other areas from fruit flies at the table.