Fungus Gnats and many other flying insects are attracted by the bright yellow color of Safer’s Sticky Stiks. Prevents adult stages of the insect from reproducing and infesting other plants. Each package contains enough traps for 12 average size houseplants. Works great for indoor plants. Specifications: • Includes 12 traps • Attracts and traps fungus gnats, aphids, thrips, and whitefly • Prevents insects from reproducing and infesting other plants • For indoor houseplants