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How to Get Rid of Drain Flies

how to get rid of drain flies

Drain flies are also known as moth as they remind us of them by their size. They can be met in drains and other premises with high humidity.

When a few, they can be even useful as they remove clogs. But they breed very fast and it is dangerous for people’s health.

What is a Drain Fly?

A drain fly’s body is covered with fluff and their wings are hairy. They live up to a month. They have a very short period of life but they multiply extremely fast.

A mature female fly lays eggs in damp area and larvae pip out of them. Drain fly larvae are very resistant to temperature changes and they are able to survive in oxygen-poor conditions. Larvae pupate in drains and their wings appear as well.

While fighting with drain flies, destroy the breeding ground first.

After destroying the breeding ground, the reproductive process is broken. Clean the drains thoroughly, remove all the leaks. If you have difficulties with drain flies killing, get in touch with a professional team to help you solve the problem.

One couple of flies can procreate about 1 million units within 6-8 weeks.
33 million of bacteria live in a fly’s gut as well as half a billion more cover its legs and body.

Why Sewer Flies Are Dangerous?

More than a hundred bacteria are connected with flies which include salmonella, staphylococcus, dysentery, and colibacilli. These bacteria can cause such human diseases as enteric fever, cholera, dysentery, hepatitis, conjunctivitis, poliomyelitis, tuberculosis, etc.

Sanitary is the main aspect of drain flies fight but correct diagnostics is also important.

Small Drain Flies in Bathroom

Small flies in your bathroomHaving 2-3 mm flies in bathroom is a signal that your drain pipe is leaking.

The first step to remove the flies is to find the leakage. It can be under your sink, bath (if in the bathroom) or in the kitchen. Usually, the place is covered with larvae which produce these insects.

As soon as you find the leakage, destroy the breeding place and fix the leakage. These insects do not live in dry clean space.

Drain flies usually settle in leaking pipes.

You can prevent drain flies by:

  • Keep drain pipes clean and fixed.
  • Check regularly for any disorders.
  • Disinfect your sewer pipes with special means.
  • Keep an eye on drain clogs and remove them in time.
  • Keep reservoirs with water closed.
  • Don’t leave water in watering tanks.
  • If you live in a cottage, create an artificial pond with fish eating insects.

How to Kill Drain Flies

Chemical agents for insects destructionFighting with flies includes two basic methods:

  1. Fumigation: is a pest control measure which means poisoning them with toxic aerosols, gases, and vapors.
    To kill flies smoke bombs are often used with tightly closed windows and doors.
  2. Disinfestation: is a set of measures for the destruction of insects using biological and chemical agents.
    Flies removal involves treating various premises and major breeding sites of flies.

Each of them is effective but has its own peculiarities which you have to consider. We’ll try to explain it.

Home Remedy

Eliminate Sewer Flies in Your HouseScience provides us with all sorts of home fighting methods used to kill gnats, larvae, moth and drain flies. What you should remember that not all of them are healthy for humans. Fighting flies in domestic conditions is carried out by means of plates, liquids, and spirals from flies and gnats.

In order to prevent the spread of drain flies, it is necessary to observe sanitary rules and regulations.

To do this, take out the rubbish daily, install devices that will prevent the intrusion of flies into the room, and keep the room clean.



  • Before using a spray remember to keep your mouth covered with a mask.
  • Always put on gloves and long-sleeved clothes to protect your skin.
  • Wash your hands thoroughly after the disinfection.
  • Air the room (if it’s possible).
  • Remember to keep your children and pets out.

Microencapsulated Substances

For extermination of flies in premises microencapsulated funds are used. Such means minimize the risk of a negative impact on human health.

Microencapsulated substances give a good result because they have a long period of exposure. They have no odor, and after using them do not leave streaks and spots.

The effectiveness of the fight with insects depends on destroying breeding places of flies.

Destruction of larvae in drains.Therefore, the destruction of larvae in drains can lead to complete disappearance of flies.

Massive breeding places of flies need to be treated with means of acute exposure, with a characteristic pungent odor. The places are then treated with long-term prophylactic substances of drugs that have no smell.

This is necessary to prevent the re-emergence of insects.

Professional Control

Many modern disinfection remedy methods can help solve the problem of killing drain flies and gnats at home. But if it turns into a massive case, then you will need the experts’ help.

Real professionals know the specifics of every fly species that is why they use the most effective insecticides for killing particular insect species. And it should be noted that it gives visible results.

Preparing the Room for Disinfestation

To quickly get rid of flies, it is necessary to prepare the room, where the disinfestation will be held.

  • you need to hide all the food and personal care products (in the kitchen or bathroom);
  • free the access to the walls and the main landing sites of flies;
  • it may require the suspension of the room usage. Though this is applied to large rooms. Because in addition to powders the process may require a large amount of aerosol, after which you will need some ventilation.

After the Disinfestation

  • If your kitchen drain pipe was the reason, remember to wash the dishes and cutlery. Clean the tables, chairs and other furniture in the room.
  • Air the room thoroughly and it can be used again in a couple of hours.
  • Don’t wash the walls and other surfaces during several days.
  • Keep clean after the procedure and check for drain leaks.