List Of Fungus Gnats Vegetable Garden References. This usually happens when damp plant soil is unavailable (i.e. In some cases, fungus gnats can even live and reproduce inside the pipes underneath a sink or tub.

Fungus gnats can be controlled organically in your indoor garden. Fungus gnats, which look a lot like fruit flies, love moist plant soil. Fungus gnats are relatively slow flyers that typically hang out on the soil of plants or nearby the plants, although they may venture out far enough to fly near your face if you're.