Control even the worst gnat and aphid infestations in your home and greenhouse with BioCare Gnat Stix Traps for Fugus Gnats and Aphids (Model S5333). Fungus gnats aphids plant lice and other small insects are attracted to the bright yellow color of the sticky traps and the UV dye in the glue. Attach one sticky strip to one of the included wooden sticks and stake into the plant soil. You can also use the precut holes in the sticky strips to hang the traps from your houseplants. For best results place one trap in each infested plant and in all other plants in the same room and nearby rooms. Replace the traps after three months or sooner if full. Made from paper and vegetable-based adhesive the traps are fully compostable and are easy to dispose of without touching the trapped insects.