This small dark skinny pest flies and jumps around plants and people driving us all crazy. Fungus Gnats develop in moist potting soil, feeding on root hairs and emerging as adults every 30 days. The best way to get rid of Fungus Gnats is to allow the soil to thoroughly dry out. This eliminates the eggs and gnats in the pot. Use yellow sticky cardsYellow Sticky Insect Cards are used to trap thrips, whiteflies winged aphids, and fungus gnats. Place little pieces of the card inside the pot of the infested plant and near doors, vents, and windows. Stir the soil to encourage the pests to fly around and land on the cards. Change the sticky cards as their surface becomes covered with dead insects & other debris. to trap the Fungus Gnats that are flying around.