Drain flies

By: Bio-Tech Pest Control | Published 05/16/2022


Not a lot is as icky as seeing tiny little drain flies coming out of your tub or sink. Drain flies, also know as moth flies or sewer flies, can come out of your kitchen sink, your garbage disposal, your dishwasher and even from a bathtub overflow drain area. Drain flies are tiny black bugs with wings. A plumbing issue might exist or even organic bacterial growth from food particles, skin cells or similar substances left behind.

Most people quickly tell us how clean they keep their homes but these pests can occur even in a relatively clean outer area. It is what’s lurking below, within the drains where they breed.

A couple of ways these nuisance pests can initially come into your home can be window screens or drainpipes. Stagnant water around your home could be attracting the drain flies. Regular drain cleaning to avoid future issues will be your best defense. If you have noticed tiny black bugs around your home, consistent homeowner maintenance and sanitation goes a long way.

For the prevention and control of the drain fly, we highly recommend:

  • Clearing slow-moving drains
  • Cleaning U-trap underneath sinks
  • Utilizing enzyme cleaners in drains
  • Keeping garbage disposal flaps clean and clear of food debris
  • Cleaning your dishwasher food trap and around seals

Sometimes a simple home-made cleaning remedy that can be found online will get rid of drain flies initially, but if you have a recurring issue, a more thorough cleaning may be needed. To aid in clearing pipes regularly, try using a non-corrosive bacterial gel to help remove gunk lining your drainpipe walls. A small accumulation of bacterial gunk can lead to a seemingly never-ending cycle of drain flies. The larvae will eat the bacteria that could be harboring on the settled grime. Clearing the buildup of decomposing organic material in sinks, tubs, faucets and other drains can keep these pests from becoming a recurring issue.

 The life cycle of a drain fly is normally about three weeks but removing the underlying conducive condition is key.
Your pest control professional can help identify and alleviate pest issues. Call or contact  Bio-Tech Pest Control today at 936-249-0917.


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