Phorid Humpbacked Flies: All You Need To Know

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Nobody likes having pests in the kitchen. To top it off, having flying insects buzzing around your ears and hovering about your food is definitely a turn-off. Imagine trying to cook a delicious meal for your significant other and having to swat phorid humpbacked flies away.

What are those, you ask? Well, I’ve written all you need to know about phorid humpbacked flies below!

What are phorid humpbacked flies?

phorid humpbacked flies

Phorid humpbacked flies are a type of fly that is found all over the world. They are in the Family Phoridae, which has around 3,500 identified species. They get their name from their characteristic humpbacked appearance. These flies use their humps to store eggs.

Phorid humpbacked flies are known by many different names, such as coffin flies, sewer flies, and scuttle flies. These flies may develop and breed at any time of year and anywhere there is moisture.

They thrive in damp organic stuff that can gather deep in pipes, drains, and garbage disposals, and they feed on it.

Plumbing setups and drainage pipes in your kitchens, bathrooms, and laundry rooms, under and between kitchen appliances, waste containers, recycling receptacles, septic systems, and sewers/basements/crawl spaces are all places where these pests can be found.

If you find these flies in your home, it can be a sign that you have a dead animal in your home.

Phorid humpbacked flies or sewer flies are pests that tend to cause a lot of sanitation problems. They can often be difficult to get rid of because they are commonly found deep within pipes.

As a result, it is important for property and business owners to be aware of these pests and take the necessary precautions to prevent an infestation.

What do phorid humpbacked flies look like?

Phorid humpbacked flies are small humpbacked flies that have dark eyes. They can be easily identified by their distinct profile.

Phorid humpbacked flies can be identified by their characteristic humpbacked appearance. They come in a variety of colors, including black, dull brown, and yellow.

Phorid humpbacked flies are a fairly common sight in the United States. They are weak fliers and often scurry erratically across surfaces. They are attracted to moisture and can be found near sources of water, such as ponds or puddles.

Therefore, it is probably a good idea to get rid of any stagnant water in your kitchen!

What is the lifecycle of phorid humpbacked flies?

The lifecycle of phorid humpbacked flies is four-phase: egg, larva, pupa, and adult. The eggs are laid in or on the food source, and the larvae will feed on the food until they mature into pupae. The pupae will then transform into adults and begin to lay eggs.

The lifecycle of a phorid humpbacked fly starts when the female lays around 20 eggs at a time. She will then lay around 500 eggs in her lifetime. The eggs are typically laid on the surface of stagnant water, where the larvae will hatch and develop.

The eggs hatch into larvae, which will feed on decaying matter. Larvae can travel to other areas via water or by being carried by people or animals. Once they reach maturity, the larvae pupate and turn into adult flies.

These new adults will then mate and lay their own eggs, starting the lifecycle anew. They will pupate and emerge as adults in 2 to 3 weeks, depending on their environment.

What do phorid humpbacked flies usually feed on?

Phorid humpbacked flies are a type of fly that is known to feed on organic matter found in drains, pipes, sewage, feces, decaying fruits, vegetables, and meats.

This can often lead to them being considered pests. These unsanitary feeding and breeding habits spread bacteria and disease.

Furthermore, Phorid humpbacked flies contaminate anything they have inhabited, as well as any counters, products, surfaces, or other food and pantry goods with which they come into touch. They are also known to swarm around trash cans and dumpsters.

As a result, it is important to take the necessary precautions to avoid these pests.

Do phorid humpbacked flies bite human beings?

Phorid humpbacked flies are not known to bite humans or pets. However, they are considered unsanitary nuisance pests because they can spread bacteria and pathogens.

Can phorid humpbacked flies cause damage to us despite being unable to bite us?

Phorid humpbacked flies are a type of fly that is known to carry bacteria and transmit diseases. While they are unable to bite humans, they can still cause damage by flying into food or other areas where people may come into contact with them.

They are a serious health concern for the food service industry and food processing facilities as they contaminate the food products with their feces and spread harmful diseases.

This can lead to expensive handling and storage costs, as well as the cost of sanitation and disposing of contaminated food. In addition, businesses may have to close temporarily if an infestation is severe enough.

How does a phorid humpbacked fly infestation begin to settle into the house from its breeding site or breeding source in the first place?

Organic waste attracts phorid flies

Phorid humpbacked flies are a type of fly that is known to infest buildings, houses, residences, commercial premises, and more.

They can be brought in through various means, including open windows and doors, improperly sealed food containers, and even on people or animals. Once they have settled into a building, they can be difficult to get rid of.

Phorid humpbacked flies are becoming an increasingly common pest across different industries. They can be difficult to control, but there are a few ways to minimize the risk of an infestation.

First, good hygiene and sanitation practices should be followed. Second, regular inspections should be conducted for signs of an infestation. Finally, if an infestation is discovered, it should be treated immediately.

What is the sign of a phorid humpbacked fly infestation?

The presence of adult phorid humpbacked flies is one sign of an infestation. These pests can cause a lot of damage and should be dealt with as soon as possible.

Other signs that you may have an infestation include seeing large numbers of flies, finding droppings, and noticing damage to property or objects.

How can you get rid of phorid humpbacked flies from their breeding sources in your home?

Phorid humpbacked flies are a common pest found in homes. They can be, in my experience, fairly difficult to get rid of and can be costly if you hire a professional. Although they are not known to carry any diseases, they can be a nuisance and cause discomfort.

There are various ways to try to get rid of these pests, but the most effective methods are usually expensive and require the use of chemicals. You can use traps that will stun the fly and allow you to dispose of it easily.

Another way is to use pesticides, but it’s important to read the instructions carefully as some pesticides can be harmful if used incorrectly.

How can you locate a phorid humpbacked fly infestation in your home?

broken pipes can be a source of an infestation.

In order to locate a phorid humpbacked fly infestation in your home, you will need to look for the signs and symptoms of an infestation. This includes checking food storage areas for decayed food and rot, specifically potatoes and onions.

You can also look for fly pupae near breeding sites, such as drains or garbage disposals.

If you see humpbacked flies in your home, it is important to determine where the infestation is. One clue may be the location of the flies. They may have gotten wet and started to deteriorate if they are sitting on the floor or near water, drainage, or plumbing.

These pests are attracted to dead animals, so next, check for a dead animal in your home or business. If you find one, there is a good chance that you will also find the fly larvae nearby.

You can also locate an infestation by checking for their droppings, which will be in the shape of a long cylinder. If you still can’t find the cause, get a plumber to inspect your septic pipes and septic tank for cracks and leaks.

You may need to cut your pipes into walls and floors, depending on where they are positioned. A contractor may be needed.

How to prevent phorid humpbacked fly infestations altogether without having to resort to a pest control service?

You can help avoid phorid humpbacked fly infestations by doing the following:

  1. sanitize your sinks, counters, and drains; 
  2. use an anti-bacterial product in your drains on a regular basis; 
  3. clean up food and liquid spills from counters, sinks, and floors; 
  4. keep waste, recycling, and compost bins away from your home’s access points.


Phorid humpbacked flies are essentially insects that are attracted to a lack of hygiene. Therefore, make sure that you leave no scope for these pests to be attracted to the lack of hygiene in your home, and you should be protected against a phorid humpbacked fly infestation!

About the author

A biotechnologist by profession and a passionate pest researcher. I have been one of those people who used to run away from cockroaches and rats due to their pesky features, but then we all get that turn in life when we have to face something.