• Drain flies are 1/16"-1/4"
  • They are dark gray in appearance.
  • They have fuzzy "moth-like" wings.
  • They are found in decaying material around floor drains or standing stagnant water.
  • Also called moth flies because of their appearance.
  • They are also called bar flies because they are very common in bars.
  • The presence of drain flies is usually an indication that sanitation needs to be addressed.


  • Look for decaying material in drains or standing water.
  • Clean drains and use an enzyme base product to reduce sledge buildup in drain.
  • Directive¬† treat to reduce the adult fly population.
  • Use insect light traps to capture adult flies.