Cluster Flies

Cluster flies are harmless but can infest homes and yards in large numbers. Prevent these nuisance pests and avoid infestation with cluster fly control products from DoMyOwn. From fly lights to insecticides, we have what you need to keep cluster flies at bay.

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Catch thousands of flies over an area of 50+ yards. One of the best outdoor fly bait traps on the market.
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A professional insecticide that controls insects for commercial & residential indoor & outdoor areas including lawns, ornamental shrubs and trees.
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A professional aerosol dust insecticide with natural Pyrethrin with silica for a contact kill with a residual and repellent for commercial and residential buildings.
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Created through an extensive research and development process, EcoVia EC is the green solution to almost all your insect problems.
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A professional aerosol insecticide for commercial and residential indoor and outdoor applications with a contact and residual kill for up to 8 weeks.
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A professional contact kill insecticide aerosol with the active ingredient of Dinotefuran, the same as Alpine Dust that controls many crawling and flying insects.
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A multi-purpose insecticide that kills insects indoors and outdoors for residential, mobile homes, kennels to farm animals for up to 4 weeks.

Cluster Fly Identification and Life Cycle

Cluster flies are larger than the common housefly with a dull gray color and black markings. These flies can have multiple generations per year. The adult cluster flies search out sunny areas in the autumn to overwinter. This can be sunny sides of houses, south facing rock faces or cliffs, crevices and voids in dead or dying tree bark, or other manmade structures. When spring arrives, the females lay their eggs in the soil. The larvae hatch and seek out earthworms, which are their food source. 

Cluster Flies in the House

Cluster flies are harmless, but certainly unwanted in any home. They do not cause physical damage to structures, do not reproduce indoors, and do not carry any diseases. They will, however, gather in your home in very large numbers when the weather gets cool, similarly to Asian lady beetles. They will hide in wall voids or other crevices or cracks, and will swarm out during warm winter days, trying to find a way outside and “clustering” on windows. These flies are sluggish and easily swatted, but their large numbers make them very irritating. 

Cluster Fly Control – How to Get Rid of Them

As with many nuisance pests, mechanical exclusion (using physical barriers) is the best way to keep cluster flies and all other pests out of your home. Sealing all cracks around windows, doors, siding, utility pipes, behind chimneys, and all possible entry points with silicone-latex caulk or vine mesh screens can help to keep them out. Exterior applications of insecticides containing pyrethroids prior to the autumn overwintering can help prevent flies from overwintering on your home or entering your house. If flies have already entered your home, they may be in wall voids or other out-of-sight places. If they come out, vacuuming and sticky traps can help to cut back on fly populations. You can choose a pesticide formulated for use indoors. Pick one with pyrethrins and always read instructions before application.

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We sell professional do it yourself pest control (diy), exterminator and extermination insecticide, pesticide, chemical and bug killer treatment products to spray, eliminate and exterminate pests.

Many of our products are not available in stores such as Home Depot, Walmart or Lowes.