Have you ever noticed a small, gray, fuzzy-looking insect-like creature hiding in the walls of your kitchen, bathroom, or washroom? Sometimes, no matter how much we take out the trash and keep the house clean, we can't figure out where these little creatures come from. Imagine, when you turn on a light at night and do some work, these little creatures start circling around the light. These annoying creatures are the ones we're talking about today. As the name suggests, most of these flies live in the drains of our homes.
Who exactly are these Drain Flies?
Simply put, Drain Flies are small insects that live in places like drains, pipes, and waterlogged areas in our homes. Scientifically known as ``Psychodidae``, these flies are often seen as household pests.
How do you identify these flies?
They are very small. They are about 3 millimeters long. They have a little bump all over their bodies, which gives them a fuzzy, fuzzy look. Their body color is black or brownish-gray. What is special is their wings. These leaf-shaped wings also have bumps . When they are hiding somewhere, these two wings are held up like a roof over their bodies.
These flies are not very good flyers. So during the day you will see them just hiding on walls, ceilings or near drains. But if someone moves them close, they will take a hopping flight and go somewhere else.
What do they eat?
These flies spend most of their lives as larvae. They feed on decaying organic matter inside drains, including bacteria, fungi, and algae . The slime that forms inside your kitchen sink and bathroom drains is their main food source.
Adult flies often eat things like dirty water and nectar.
Where do these flies breed?
These flies breed so quickly that it's hard to tell where they came from. Any place with standing water and moisture is a good environment for them to breed. Check out the table below to see what their favorite places are.
| Location | Especially contagious places |
|---|---|
| Bathrooms and kitchens | Sink, shower and floor drains, around taps, inside the toilet tank |
| Other places inside the house | Dirty garbage cans, saucers under plant pots, condensate pans under the fridge |
| Outside the house | Septic tanks, rainwater barrels, wet compost piles |
The most important thing is that for these flies to breed, there must be stagnant, dirty water and decaying matter. When you go on vacation somewhere and are away from home for a few days, the chances of these flies breeding in stagnant water are high because you don't use the bathroom or kitchen.
Are these flies a health risk?
Many people think this is just a nuisance, but we also need to be aware of some health risks.
- These flies do not sting or bite people, so there is nothing to worry about.
- However, the dried body parts of these flies can combine with dust and cause allergies in some people. Especially, if someone with asthma inhales this dust, it can cause breathing difficulties.
- The most important thing is that these flies come from places like dirty drains and toilets, so they can bring pathogens. Imagine, a fly that came from the drain lands on a place where you are preparing food, or on a piece of food. Then those germs can easily enter our bodies. This is the biggest health risk.
If you or a family member experiences breathing difficulties or severe allergies due to these types of insects, see your family doctor immediately.
How do you get out of this trouble?
Controlling these flies is not as difficult as you might think. The key is to find exactly where they are breeding.
Step 1: Find the source of the infection
If you suspect that these flies are coming from the bathroom drain, you can do a little test.
1. Let the drain dry thoroughly.
2. Then, take a piece of plastic tape and stick it across the mouth of the drain, with the sticky side down. But don't cover it completely. Leave a little space for air to pass through.
3. Leave it for about 24 hours. If flies come out of the gutter, they will be stuck to this tape. Then you will know for sure that they are breeding there.
Step 2: Clean the area of infection
The best solution is not to kill the flies, but to eliminate the environment where their larvae can live.
- Clean the drain thoroughly: Take a pipe brush and rub it inside the drain. This will loosen the slime that has built up inside.
- Use hot water: Then, pour a bucket of hot water down the drain. This will kill any remaining larvae and eggs.
- Natural cleaner: Pour about half a cup of baking soda down the drain, then pour a cup of vinegar over it. Let it sit for about 15-20 minutes, then rinse with hot water. This is also a very effective method.
- Commercial cleaners: If you use bleaching powder or other commercial cleaning sprays, follow the instructions exactly.
Remember, aerosol pesticide sprays only kill the flies that are flying at the time. They are a temporary solution. If you don't clean up the area where they are breeding, the flies will start coming back in a few days.
Take-Home Message
- Drain flies are a good sign that your home's drains are dirty. Although they are harmless, they can be annoying.
- The best way to control them is not to use insecticides, but to thoroughly clean the places where they breed (canopies, reeds) and remove the slime layer.
- These flies cannot sting or bite humans, but their dried bodies can combine with dust and aggravate symptoms in people with asthma and allergies.
- Because they come from dirty places, they have the potential to bring pathogens to food and clean places.
- Keeping your home's drain systems clean on a regular basis can completely prevent the arrival of these flies.
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