Why Are There Flies In My Basement?

Flies are pesky insects that always manage to maneuver their way into almost everything. Unfortunately, your basement is not an exception to their infestation, as just a little crack could lead to devastating effects.

Statistics have shown that insects are the greatest competitors of man. Therefore, they tend to pose a huge threat to us. Flies especially are insects with provoking appearances. The reason is that they generally represent bad health. 

Due to this, homeowners often wonder why they find flies in their basement. What then is the reason for this? 

Flies troop right into your basement when there’s a crack in the windows, doors, and vents. They can easily multiply by reproducing and hatching eggs which increases their number rapidly. You could have over 1000 flies in your basement if the cracks go unnoticed and are not properly sealed up. 

Your basement becomes their new habitat, especially when they detect dead and decaying organic matter. A good example of this is when a rat dies in your basement due to poison or consumption of harmful chemicals. 

This paves the way for them to feed and multiply, which makes your basement dirty and unhealthy.

Would you like to know more about these flies and how to get rid of them? If yes then, read further as I’ve written about these and more in this article. 

Where Do These Flies Come From? 

Keeping trash cans in your basement is something I’d never advise you to do, as flies are always drawn to decaying wastes. Generally, flies are drawn to dirty, untidy, and unkempt environments. They come from different sources, such as drainage pipes from kitchen sinks. Others include the following;

  • Sewer line breaks: flies are often drawn to this area, which you may not notice on time. However, when they multiply and become large in number, you start perceiving a terrible smell. 
  • Floor drains: this is another major source of flies. When the floor tile is broken, microscopic organisms evolve from it. As a result, flies are attracted. Also, this is the main reason why flies rest on bathroom wall tiles.

 These are all drainage facilities that eventually become their breeding habitat. Therefore, it is necessary to identify their habitat, destroy and prevent them from spreading further.

 Although the insects are not harmful, they make your basement look extremely untidy and scary, like a Halloween haunted cottage. Moreover, these flies could even go as far as penetrating your house, especially your kitchen, if not appropriately controlled. Therefore, I’d advise you to check all these sources regularly. 

What Kind of Flies Infests Your basement?

There are many species of flies that cause unnecessary damage in your home. They are characterized by different feeding modifications and adaptations to habitat. The most common of them all is the fruit fly and the drain fly.

Fruit Fly: The fruit fly feeds directly on decaying organic matter from your trash cans in the kitchen. Some of the materials they can feed on include fruits, pastries, sugar, and many more. 

Drain Fly: This fly is also referred to as the moth fly. They breed mainly in microbial films that grow directly in drainage facilities. The drain fly feeds mainly on algae, bacteria, and other microscopic organisms. They thrive in moisture-abundant places such as wet cracks on floor tiles, dirty floor drains, sewers, and the bottom of trash cans. 

As a result, it is paramount to quickly identify these spots and find an easy solution before it gets out of control. For instance, you can do well by sealing up cracks, draining your sewers, and cleaning up your kitchen sinks. This action will go a long way in eliminating these disturbing insects. 

How to Get Rid of Flies in Your Basement

Sanitation is the basic tool in maintaining good health and a clean environment. But, unfortunately, the key attraction of flies is “dirt,” which invites them. Moreover, they are not beneficial in any way and only make your environment look dirty and unkempt. 

Therefore, it is best to adopt hygienic practices to avoid these infestations. 

You may wonder if there are ways to help you get rid of these pesky flies. Fortunately, there are, below are some of the ways; 

  1. Drain all the water from your sump pits: the water in this pit gets stale quickly, creating an awful smell. In addition, this medium is a perfect breeding site for drain flies. Thus, it is necessary to drain all the water out to avoid the breeding of drain flies. 
  2. Clean your sinks regularly: an untidy and dirty sink easily attracts flies. Hence, it is important to clean your sink regularly. You can also do well by using antibacterial cleaners to make your work a lot easier. 
  3. Use an insect growth inhibitor: inhibitors effectively destroy the life cycle of insects, thereby preventing the reproduction of new insects. This is the most effective method of getting rid of flies, and I’d recommend you make use of this method. 
  4. Check for cracks and seal them: this should be done regularly to stop flies from entering your basement. Unfortunately, this is also one of the sources of flies and how they get into your basement. Therefore, make appropriate repairs where necessary and tidy up your basement. Moreover, it’s best to be safe than sorry later on.
  5. Remove trash cans: get rid of all unnecessary waste to prevent decomposition, which will invite flies. Do not keep trash cans in your basement, as it could be the major source of your problem. If you must keep trash cans then, keep them far away from your house. Keeping them outdoors is simply the best option.
  6. Fix broken pipes: this is the major source of these flies. They dwell in it and feed directly on the decayed wastes. Due to this, it is advisable to employ the services of a plumber or an exterminator to fix and seal up the pipes.

In addition, you can use enzymatic or biological drain cleaners to eradicate flies, and you can manually clean up any remaining debris. All these lead us right back to “hygiene,” maintaining a clean environment will keep flies far away from your basement.

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