JTHM High Effect Dual-sided Yellow Sticky Fly Traps Whitefly, for Leaf Miner, Aphids, Fungus, Gnats, Mosquitoes & Other Flying Insects ( 10pcs) The yellow color attracts the bugs, draws pests like a magnet, the trap effect is remarkable. The effective for up to 2 months. Once stuck, unable to escape. For Leaf Miner, Aphids, Fungus, Mosquitoes & Other Flying Insects are effective . Applicable Place: Greenhouses, orchards, tea plantations, open field vegetables, flowers, animal farm, family room, residential gardens etc. Double coated import glue, no chemical composition, environmental safety, safe for children and pets. Once you have hung them you don't have to do anything else to them and Fully disposable.