You are standing at the bathroom sink, and there it is again. A tiny, fuzzy bug just sitting on the tile wall, not really flying, just there. A minute later, you spot another one near the shower drain. If this sounds familiar, you are probably dealing with drain sewer flies. These little bugs seem impossible to get rid of. They always come back to the exact same spot in your home. Sewer bugs are not dangerous. Once you understand why they are showing up, getting rid of them is a lot easier than it feels right now. In this blog, we will break down what sewer bugs actually are. We will cover what do drain flies look like up close, why your house has become their new favorite hangout spot, and the real steps for getting rid of drain flies. That way, they do not just keep coming back week after week.
What Are Drain Flies?
Drain flies are also called drain bugs, sewer flies, or just drain flys. They are tiny insects that live and breed inside that gross slime layer coating your pipes. The buildup inside your pipe is an accumulation of hair, soap scum, grease, and food. All of it sticks to the inside walls of your drain over time. Adult drain sewer flies lay eggs right in that gunk. The larvae hatch and grow up feeding on it. Before long, you have got adult flies buzzing around your bathroom mirror or hovering near the kitchen sink. You will usually find them in homes where a sink, shower, or floor drain does not get used much.
What Do Drain Flies Look Like?
If you are wondering what do drain flies look like, here is the short version. They are small, usually around an eighth of an inch long. Drain sewer flies have a fuzzy, moth-like body and short, hairy wings. They tend to fly in short, hopping bursts rather than straight lines, which is different from fruit flies. It is quite difficult to get rid of drain flies. You will most often spot them resting on walls near a drain, in the bathroom, or around the kitchen sink.
Why Do Drain Flies Show Up in Your Home?
Drain flies in house situations usually point to one main cause. There is organic buildup somewhere in your plumbing. Common reasons include:
- Leftover food in pipes.
- Hair and soap scum built up in bathroom drains.
- A cracked or leaking pipe with moisture that attracts them.
- A sewer line problem letting sewer flies move into your home.
- A drain you rarely use, giving gunk plenty of time to sit and build up.
If you keep seeing them again and again, the buildup has not been fully cleared out. Hire a professional plumber for drain cleaning. Parzival Plumbing offers expert drain cleaning in Orange County to get rid of drain flies. We provide services in Tustin, Irvine, Huntington Beach, Costa Mesa, and throughout Orange County.
Steps for Getting Rid of Drain Flies
Clean the Drain Thoroughly
Start by using a brush to scrub the inside of the pipe. This removes the slime layer where drain sewer flies lay their eggs. A simple mix of baking soda and vinegar can also help. Pour it down the drain, let it sit for a while, then flush it with hot water.
Use a Drain Gel Cleaner
Enzyme-based drain gels are built to eat away organic buildup. They do this without damaging your pipes the way harsh chemical cleaners can. Pour it in at night so it has time to work while the drain is not in use.
Cover Unused Drains
If you have a floor drain or an extra sink that rarely gets used, cover it. Or run water through it every so often. That keeps water sitting in the trap, which stops flies from making their way up through the pipe.
Check for Leaks or Cracks
Check under your sinks and along the pipes for any damp spots or moisture. Drain sewer flies are drawn to damp spots. Fixing leaks removes one more place for them to breed.
Call a Professional for Persistent Problems
If you have already cleaned and the bugs are still showing up, something deeper is probably going on. It could be somewhere else in your plumbing or even in the sewer line. A professional plumber can inspect the system. They can find out exactly where the flies are breeding.
When to Call a Plumber
Most drain fly problems clear up with regular cleaning. But sometimes the source is unreachable. If you notice a large number of drain sewer flies, a bad smell coming from your drains, or bugs that keep returning no matter what you try, it is time to bring in a plumber. They will look for blockages, cracked pipes, or a sewer line issue that is feeding the problem.
Parzival Plumbing offers same day plumbing service throughout Orange County. So if drain sewer flies are giving you trouble, our team can inspect your pipes and drains. We will clear out the real cause, not just the bugs you can see.
Final Thoughts
Drain bugs are a nuisance. But they are also a clear sign something in your plumbing needs attention. Regular cleaning, checking drains you do not use much, and patching up small leaks goes a long way. Spend a few minutes on it now, and you will skip weeks of dealing with these bugs. If the problem keeps coming back, Parzival Plumbing is ready to help. We will find the source and clear it out for good. You will get your drains and your peace of mind back where they belong.
Frequently Asked Questions
What are drain flies exactly?
Drain bugs are small, fuzzy insects that breed in the buildup inside drains and pipes. They are also known as drain bugs or sewer flies.
Are drain sewer flies harmful to my health?
Drain sewer flies are not known to bite or spread disease. But their presence usually means there is buildup or a plumbing issue worth addressing.
Why do I keep seeing drain sewer flies in my house?
Sewer flies in house situations usually mean one thing: there is a buildup of grease, hair, or waste in your pipes, or an unused drain that has gone dry.
Can I get rid of sewage bugs without calling a plumber?
In a lot of cases, yes. Give the drain a good scrub and follow up with an enzyme-based gel cleaner. For a mild problem, this combo usually clears things up within a week or two.
When should I call a plumber for sewage flies?
If they keep showing up no matter how much you clean, or there is a bad smell mixed in too, do not wait it out. Get a plumber to check for a deeper pipe issue or something going on further down in the sewer line.
