Fly Problems? How to Treat a Fly Infestation

fly pest controlSummertime is prime time for flies to increase activity and become a problem for the do it yourself pest controller. There are many of types of flies that can cause a problem in our homes.  There are house flies, fruit flies, blue and green bottle flies, and moth flies.  Flies are prolific proliferators and eat most anything. Some flies can lay 150 eggs at a time, every 5-6 days.  Not only are they annoying, they can be carriers of numerous diseases and pathogens. In this article, we discuss ways to treat and limit a fly infestation.

Ohio State Extension Program says:

Domestic flies, often called “Filth Flies,” are not only a nuisance by their presence, but are important from a human and animal health standpoint.  House flies may spread diseases such as conjunctivitis, poliomyelitis, typhoid fever, tuberculosis, anthrax, leprosy, cholera, diarrhea and dysentery. They may serve as intermediate hosts for parasitic tapeworms on poultry or parasitic roundworms on horses.

Luckily, there are a now plethora of pest control products to address our fly pest problems available to the general public. There are insecticide sprays, fly lights, fly baits, fly traps and treatments. Some treatments such as contact sprays are good for the immediate treatment of unwanted flies. Whereas other fly treatment options, such as fly traps and fly lights provide an ongoing support system to keep fly infestations under control.

It is important to determine if your fly problem is only a fleeting instance, or associated with an ongoing breeding site. The treatment method for each situation would be different. For instance, have you only had fly issues during a gathering where food was outside for extended periods of time or do you constantly notice fly activity in and around your home?

For the first situation, you may only need to spray the outdoor area that will be used for your gathering a few hours before guests arrive. For the second situation, you may have a fly breeding site in or around your home.  In that instance, the breeding site would need to be located and eliminated. But you would also want to use a combination of baits and residual insecticide sprays to control the existing fly population and stop them from entering your residence.

There are other easy steps you can take to stop a fly infestation from happening in the first place:

  • Be certain that your windows, screens and entry ways are sealed tightly and in good repair.
  • Spray your entry ways and sills with a residual insecticide
  • Use time released pyrethrin sprays
  • Do not locate trash cans located near any entry ways.
  • Empty cans regularly, and wash them out weekly with a good bleach bath.
  • Use only trash cans with locking lids
  • Keep food covered at all times
  • Wipe up any crumbs, etc immediately
  • Don’t leave produce on the counter without cover
  • Check any cracks between your appliances and counter tops to be sure that there are no trapped food particles
  • Keep the backs of cabinets clean and clear from excess storage items or clutter
  • Review under sinks and appliances to be certain that there is no accumulation of food or moisture
  • Do not leave any standing water or food build up in drains
  • Regularly flush your drains to remove any ‘gunk’ that may be building up on the insides of pipes.
Monica Bird (931 Posts)

Monica’s compassion for her customer's struggles with pest control issues and passion for pest control stems from over 10 years in the industry. With a master’s degree in entomology, she uses her knowledge and experience in chemistry, insects and pests to educate her customers.


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