Many people don't realize that the common housefly is a fungus gnat, which has a similar appearance. Here's a great way to find out: If you see flies buzzing around your garden or in your home, then it's probably a fungus gnat. In fact, many people are more familiar with this pest than they are with the housefly. They're small and brown, and they have two long legs. And most importantly, they bite!
Here's another fun fact: The housefly will eat fungus gnats. When you see them flying around your garden, you can usually hear them chirping. But you'll also notice that the housefly is more attracted to fungus gnats than it is to other insects. This means that when you see the housefly fluttering around your garden, it's probably trying to help out by eating fungus gnats!