Facts About Small Flies

Depending on the types of flies that are present, different actions may be required for treatment and elimination. Understanding some of the more common types of small flies and their preferred breeding sites can help with fly prevention in your facility.

Fruit/Vinegar Fly

Adult is about 1/8" long, dull tan to brownish yellow or brownish black with red eyes.
Attracted to fruit for egg-laying; feeds on the fluids in fermenting fruits and vegetables.
Breeding sites: Unrinsed bottles and cans, indoor and outdoor trash receptacles, used mops and rags, beverage dispensers, open foods, standing water, floor mats, drains, garbage disposals, damp laundry (e.g., linens)

Moth/Drain/Filter/Sewage Fly

It is 1/16" - 1/4" long and pale yellow to brownish gray to blackish.
Adult has a delicate fuzzy appearance and flies only short distances, then crawls on surfaces.
Breeds indoors and outdoors on gelatinous bacterial film of drains, filters, sewers, lift stations, pits and sump pumps.

Phorid Flies

Adult is 1/64" - 1/4" long and is black, brown or yellowish.
Has a humpbacked profile and erratic movements, particularly when running.
Breeds indoors and outdoors in moist, decaying matter; may be a sign of a plumbing or structural problem.

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Small Flies and Food Safety

Although the fruit fly (also known as a small fly) has historically been considered a nuisance pest, recent research proves that small flies contaminate food with bacteria carried from unsanitary surfaces (such as trash, drains, mops, etc.).

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Small Flies and Customer Experience

You’re enjoying a meal with friends at a restaurant and mid-sentence, you notice a fruit fly buzzing around in front of you. While you probably find this to be a nuisance, did you know it is also a sign of sanitation issues in the restaurant?

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Fly Control and Prevention

There are many simple actions that can make a big difference in avoiding a fruit fly infestation.

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