How To Get Rid Of Drain Flies Family Handyman
InsectWorld/Shutterstock Also known a sewer flies, filter flies and moth flies, drain flies are only about 1/8-inch in size and are usually black but can also be brown in color. Their wings and bodies are covered with hairs and when crushed, they leave a powdery smudge. While not harmful, having drain flies or their eggs in your home can certainly be a nuisance. Drain flies breed in drains, septic tanks, sewers and soil that has been contaminated with sewage....