About Drain Flies:
Drain flies are similar to gnats, however they are slightly larger and hairy. They can be a common pest by invading your kitchen and restroom areas around the drains.
Where to look for Drain Flies:
As the name suggests they prefer nesting near the drains, and seek out the gelatinous film or slime that accumulates in the drains. However, unlike their young, adults typically feed on flower nectar and polluted water.
Fruit Fly Self-Control Treatment Methods:
Ensure you are cleaning and de-liming drains regularly