are fungus gnats harmful to humans
Fungus gnats are not at all harmful to people or pets. However, when you begin to find them swarming plants in the house or greenhouse, it's time to get rid of the fungus gnats. First things first, make sure fungus gnats are the real culprit; they are often confused with fruit flies. Fungus gnats look like small mosquitoes just 1/16 inch to 1/8 inch long.