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are drain flies harmful

by Prof. Alba Okuneva Published 4 years ago Updated 3 years ago

Are drain flies harmful? No, drain flies aren't harmful, but can be quite a nuisance in large numbers.

Do drain flies bite you?

Although drain flies don’t bite and generally don’t carry infections, they are associated with some health issues. The effect that drain or sewer flies can have on your health is yet another reason to remove these gnats from your home.

What are drain flies and what causes them?

Drain flies are common in moist areas coated with nutrient-laden organic material. As their name implies, they are found in house and storm drains. They can also be found near decaying logs and compost piles. Drain flies feed on organic matter and sewage. Eggs are laid in irregular masses almost anywhere decomposing organic materials are found.

What happens if you eat tropical drain flies?

This can lead to fever, pain, and/or extreme swelling in certain areas of the body as well as many other painful symptoms. Another tropical drain fly, the Phlebotominae, also feeds on blood. Through this, it’s able to transmit tropical diseases, particularly leishmaniasis which is another condition caused by parasites.

Will pest control kill drain flies?

Many common pest control killers, typically for fruit flies or gnats, can also be used to kill drain flies when the pests are listed on their labels. Since many of these contain caustic chemicals, check if you should keep them out of the kitchen area and be extra careful about damage to your drains.

Can you get sick from drain flies?

Drain flies are small and gray. They do not bite, sting, or spread diseases, but their decaying bodies may cause allergic reactions. They can also spread bacteria from trash, decaying vegetables and fruits.

Can drain flies lay eggs in humans?

No, drain flies (Psychodinae) do not lay eggs in humans. They are not parasitic, and the human body is an inhospitable environment for them. Their close relatives, sand flies, are not as friendly, but these are not going to be invading your home in most regions.

How do I get rid of drain flies forever?

How do I permanently get rid of drain flies?Flushing your toilet or drain. ... Boiling water. ... Mix baking soda with Salt and Vinegar. ... Apple Cide Vinegar and Plastic wrap. ... White vinegar, salt, and baking soda. ... Clean out the drain with a metal drain brush. ... Trap them with a combination of water, vinegar, and liquid dish soap.

Why do drain flies appear?

Stagnant pools of water, particularly in pipes and other drainage areas, attract drain flies. These small, gnat-like insects feed on and breed in sewage. Organic material can build up along the side of drains quickly, welcoming drain flies to eat and reproduce.

Why do drain flies keep coming back?

Besides inadequate control measures, another reason why you have drain flies present again could be because there was a secondary infestation in another site that was not discovered or treated. There may be other bathroom drains, or a floor drain, laundry room drain, or sump pump that are breeding flies.

What is the lifespan of a drain fly?

about two weeksLife Cycle: Adult females lay 30–100 eggs in sludge around sewage and drainage areas. Eggs hatch in 32–48 hours, larval stage lasts 8–24 days, pupal stage 20–40 hours. Adults live about two weeks.

Can drain flies come from toilet?

Drain flies breed in the buildup in pipes. While it is less common for them to appear in a toilet, it could be they are entering the bathroom through a faulty seal between the toilet and sewer flange.

Does bleach get rid of drain flies?

While this chemical might get rid of some larvae, bleach passes quickly down the drain and does not penetrate the thick build-up where eggs are deposited by the female drain fly and larvae live. As a result, in most cases, bleach does not get rid of drain flies.

Do drain flies survive winter?

Drain flies find their way inside at some point before cold weather shows up and need "open water" to breed. Indoor humidity drops once the furnace comes online, and fungus gnats stay close to their food source and the higher humidity of the houseplants so they may not be a large problem.

Can drain flies live in walls?

These nuisance gnats can be found resting on walls or ceilings, and make short hopping flights if disturbed. Drain flies often are a temporary problem. They develop in standing water so most commonly they are seen after returning home from a vacation or period of extended travel.

How do I find a drain fly nest?

Drain flies enjoy stagnant water that collects even small amounts of bacteria and sewage, so they are often found congregating around:Kitchen and outdoor sinks.Shower and bathtub drains.Basement sinks (especially those that go unused for some time)Sewers.Septic tanks.Soil that contains sewage.

Are drain flies beneficial?

Like many true flies, they can be important decomposers. You can even think of them as your own little plumbers, slowly feeding on the organic buildup in your pipes.

How to identify drain flies

The following table gives a list of characteristics of what to look for to identify a drain fly:

Drain flies are not harmful

Drain flies are not harmful and cannot bite people or pets. They can become a nuisance though, especially when there is a heavy infestation. Drain flies don’t transmit diseases to humans but they can trigger asthma in some people.

Why you have drain flies

You have drain flies because they are attracted to areas in your home or yard where drain flies like to live and breed. This includes standing water in toilets or tanks while you are traveling, greasy drain pipes, clogged drains or gutters, and wet compost piles.

How to get rid of drain flies

Below is a list of recommended methods and products from Amazon that you can use to get rid of drain flies in your home and yard:

Why are drain flies a nuisance?

These pests are a nuisance because they infest in large numbers. Once inside, drain flies may plug pipes and spread bacteria from the filth they live in, possibly contaminating food in the process. These pests, even though they live in filth, are not known to spread any disease to humans.

How to control flies in drain?

Generally, the best control for these flies is to remove the breeding site, which is the organic material that collected in the drain. The site must be located and cleaned. Drain cleaner will not fix the situation. Read more about drain flies and bleach.

How long do drain flies live?

The adult is the only life stage usually observed. Adult drain flies usually live about two weeks, but newly emerged adults rapidly replace them. These flies are also known as moth flies due to their appearance: they are small and furry with large, ovoid wings and prominent antennae. When at rest, the drain fly folds its wings over the body in a characteristic roof-like manner.

What do drain flies eat?

Drain flies feed on organic matter and sewage.

Where are drain fly larvae?

Usually, the homeowner never sees drain fly larvae since the larvae are located in the gelatinous film inside drains. However, sometimes, when drains are taken apart, larvae can be found in the film. In small numbers, larvae are considered beneficial because they break down materials that cause drain clogs. They have extremely strong jaws and are capable of cutting through layers of dense slime and build-up.

What color are flies?

Body: Light gray or tan body and lighter-colored wings. The body and the wings are covered with long hairs, giving the fly a fuzzy appearance.

How to get rid of flies in drain?

A super simple fix is to pour boiling water down the drain to eliminate drain flies. Boil a medium-size pot of water once or twice per week, and pour down and around the drain.

How long do drain flies live?

Drain flies surprisingly can live for up to three weeks, and new eggs can hatch every 48 hours or so. For these very reasons, you should act fast to eliminate drain flies for good using DIY home solutions or store-bought products.

How do you get rid of drain flies?

With regular cleaning and careful attention, most drain fly issues can be fixed within about a week. Here are five ways to get rid of drain flies:

What are some insects that can be found in your house?

Just like pesky fruit flies, annoying gnats, and even fleas, drain flies are another common household insect that, well, bugs us.

How to tell how many flies are in a drain?

If you spot one or two , try this overnight test: Place pieces of tape (sticky side down) over the drain in question. As they try to escape, they will become trapped on the tape, and you'll have a good indication of just how many flies you're dealing with.

Where do drain flies come from?

Drain flies love moisture—stagnant, shallow water—and organic debris, and are most likely to be found near sources of food or bacteria, like sinks and showers. They often favor areas that are not used frequently, like a basement or workshop sink, and are also spotted after a long time away from home, like a vacation. They can even pop up in a relatively clean area.

Do drain flies bite?

Are drain flies harmful? Nope! They don't bi te humans or transmit human disease, but they are a sign that your kitchen could use a deep clean, especially if you want to prevent more insects like roaches from joining the party.

What Are Drain Flies?

The Entomology department at the University of Kentucky says that drain flies are small non-biting gnats that have dark wings. The tiny drain gnats or moth flies don’t just fly around drains. You may find them lurking on your walls or ceilings near drains. 1

How to stop flies from draining?

Just pour one cup of white vinegar down the drain weekly. Allow the vinegar to sit for 30 minutes, then flush the drain with water.

How to get rid of drain flys?

Keeping your drains clear of decaying debris with a metal pipe brush is a cheap and effective way to get rid of drain fly infestation. The metal pipe brush helps to destroy the breeding source by removing all grime, slime, and debris where the drain flies can lay their eggs.

What does it mean when drain flies are in your house?

Dr. Subba Palli from the University of Kentucky says that if you notice many drain flies over several weeks, it means that they may have a permanent breeding site. To get rid of the flies for good, it’s essential to find and destroy their habitat. 1

Where do sewer gnats live?

It’s not just in drains where these sewer gnats like to live and feed. According to Dr. Palli, they can live anywhere where water accumulates. This could be in toilet bowls, water tanks, floor drains, or under refrigerators.

Where do drain flies live?

If this fails to uncover the source of the drain fly problem, then the drain flies may be living in crawlspaces, wall voids, or under concrete slabs where water is accumula ting.

Does apple cider vinegar kill drain flies?

Apple cider vinegar makes an effective fly trap because the acetic acid has insecticidal properties. ACV has a sweeter smell than regular vinegar and this lures the drain flies to the trap. The sewer flies or drain flies will get into the trap through the hole and not be able to get out again.

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