How to Get Rid of Fungus Gnats picture from https://www.gardeningknowhow.com/plant-problems/pests/insects/fungus-gnats.htm Since bringing your houseplants indoors for the winter, you may have noticed the presence of gnats in and around your houseplants. While they may appear to resemble fruit flies, these are more than likely fungus gnats. While the adult gnats are not harmful to you,