The short version
Fruit flies in Houma, LA never get a real winter break. With lows near 45F and humidity around 77 percent, LSU AgCenter's eight-day summer cycle runs much of the year, and the dark-eyed species breeds in biofilm around sinks, showers and under loose floor mats rather than in fruit. Find where adults gather, then remove the larval source there.
- LSU AgCenter puts the Louisiana summer cycle at as few as eight days.
- Spilled beer under bar floor coverings forms biofilm that feeds larvae.
- Dark-eyed fruit flies breed in grout, showers and leaky faucets.
- Figs, muscadines and pokeweed keep outdoor flies going all season.
Houma homeowners with a fig tree and a fly problem, renters seeing flies in the bathroom, Terrebonne Parish landlords fielding complaints, and bar or restaurant operators who sprayed twice and still have flies over the taps.
What to look for
Spotted wing drosophila arrived around 2012 and attacks ripening figs. Humpbacked phorid flies run rather than fly. Three fruit flies and a look-alike share Houma kitchens. The red-eyed vinegar fly breeds in fermenting fruit, trash and recycling. The dark-eyed fruit fly is harder: LSU AgCenter says its larvae live in biofilm around sinks, showers, leaky faucets and damaged grout.
- 1Red-eyed tan flies lifting off a bowl of figs or citrus.
- 2Darker flies around a shower corner or a leaky faucet.
- 3A cloud rising from the floor mats behind a bar.
- 4Tiny larvae in a split fig left on the counter.
- 5Brown pupal cases along the counter edge or baseboard.
Why it’s worth acting soon
- On an eight-day summer cycle, a few flies can become a swarm in two weeks.
- Biofilm in grout or under a mat thickens every week it is left.
- A bar with flies over the taps keeps breeding more from the floor.
- LSU saw Baton Rouge figs spoil within two weeks of the first flies.
As few as 8 daysLouisiana summer cycle, egg to adultLSU AgCenter About 2012Spotted wing drosophila noticed by Louisiana growersLSU AgCenter Treatment options and typical costs
Adult mapping and source location
Quoted after inspection
LSU AgCenter says the spot where adults are most numerous points to the larval source, so a provider follows the flies to the sink, shower or bar floor first.
- Time
- One visit plus a follow-up check
- Best for
- Problems that outlasted a fruit cleanup
Biofilm removal
Quoted after inspection
Grout, drain film, shower corners and the floor under loose mats are scrubbed, the fix for the dark-eyed fruit fly LSU calls harder to clear.
- Time
- Visits as needed, plus repairs
- Best for
- Dark-eyed flies in baths and bars
Traps and a final aerosol
Quoted after inspection
Vinegar traps catch leftover adults, and an aerosol clears the room only after the source is gone, since LSU says traps do not address the cause.
- Time
- Until traps stay empty
- Best for
- Final cleanup
Prices are typical published ranges. Ask what’s included before you compare quotes.
A stiff brush and an enzyme cleaner clear the film fruit flies and drain flies breed in.Red-eyed or dark-eyed: which fruit fly is in your Houma home?
The dark-eyed fruit fly breeds in biofilm around sinks, showers, leaky faucets and under loose mats, which LSU AgCenter says makes it harder to clear. Red-eyed vinegar flies gather over fruit, trash and recycling, and clear out once those go. The answer changes the fix. LSU's rule is that wherever adults are most numerous, the larval source is close, so a cluster on the shower wall points to the grout. In Houma's humidity those spots stay wet.
Fruit flies in Houma bars and restaurants.
A closing routine works better: lift every mat, dry the floor, wash the drip trays and flush floor sinks with hot water. Spraying over the bar fails because the nursery is under the mats. Ethanol draws them, and spilled beer under floor coverings forms the biofilm larvae need. LSU AgCenter describes bars and restaurants as notorious for fruit flies, and a Houma bar is no exception.
Ripe fruit on the counter is the classic source. Refrigerate it once it's ripe.Figs, muscadines and the yard around a Houma home.
With 65 inches of rain a year, fallen fruit stays soft longer. LSU AgCenter lists elderberries, pokeweed and muscadines as wild hosts for spotted wing drosophila, and any of them on a fence line counts. LSU saw Baton Rouge figs turn inedible within two weeks of the first flies, so harvest as fruit starts to ripen and keep dropped fruit off the ground. Figs are the local special case.
Fruit flies vs. drain flies vs. phorid flies in Houma.
Around Houma, the fix is different for each, so identify the fly before you clean or treat anything. With 77% humidity and warm 92°F summers, all three breed faster here. Around Houma, LA, fruit flies (Drosophila) hover over produce and have red eyes; drain flies are fuzzy, moth-like, and breed in the gunk inside drains; phorid flies run across the counter before flying and point to a leak or a sewage break. Around Houma, telling the three small flies apart is the whole diagnosis, because each breeds somewhere different.
What a Houma fruit fly job should cost.
Around Houma, ask whether the inspection is credited toward the treatment and whether the follow-up is included. Around Houma, in a warm climate like this one, the cycle runs fast, so a provider will usually schedule a follow-up about one 10-day cycle later to confirm the source is gone. Around Houma, a one-room kitchen with a single drain or produce source is a small job; a commercial kitchen or a home with multiple suspect drains costs more because the inspection takes longer. Around Houma, fruit fly control is priced by how much source-hunting it takes, not by how many flies you see.
What affects the price
- Red-eyed versus dark-eyed species, which takes more labor.
- How much biofilm work grout, showers and bar floors need.
- Repairs to a leaky faucet, damaged grout or loose floor covering.
- Follow-up checks timed to the eight-day summer cycle.
- Bars and restaurants, where floor mats have to come up.
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Where do you see the most fruit flies?
When to call for help
Those are dark-eyed fruit fly sites, which LSU AgCenter calls harder to clear. Bars and restaurants should call at the first steady sighting. Call a fruit fly exterminator in Houma when flies gather somewhere other than the fruit bowl: a shower corner, a bathroom sink, the floor behind a bar.
What you can do yourself
At 77 percent humidity, add a weekly hot-water flush of every drain. The dark-eyed fly is where DIY stalls, because its larvae sit in grout and under mats a homeowner rarely reaches. DIY handles the red-eyed fruit fly in Houma: refrigerate figs and citrus, rinse recycling, hang the mop, scrub the disposal and set a vinegar trap.
Fruit Flies in Houma
Around Houma, the humid subtropical climate means fruit flies activity tends to follow late summer and fall; year-round indoors, so scheduling the visit before the busy stretch usually means a faster response and a cleaner quote. Around Houma, comparing written quotes side by side is the easiest way to see what is actually included, because the scope, prep steps, and follow-up terms vary a lot between providers. Around Houma, most providers include a follow-up visit in the plan, but the terms vary, so ask exactly what is covered and for how long before you decide. Houma is a suburban city of about 33,000, the seat of Terrebonne Parish, founded in 1834 and known for bayou culture and seafood. At ten feet above sea level it gets 92F summer highs, 45F winter lows and 65 inches of rain, with humidity near 77 percent. The median home value is near $185,000, and in any house damp grout and dripping faucets give the dark-eyed fruit fly year-round housing.
Local research
Fruit Flies in Houma, LA: what the public record shows
Before you compare quotes, it helps to know which fruit flies actually live in Louisiana, when they are busiest around Houma, and what the state figures look like. Everything below links to the agency or university page it came from.
Adult size
LSU AgCenter notes correct identification matters in Louisiana because coffin flies (Phoridae) and other small flies are routinely mistaken for vinegar flies and do not respond to the same fixes.
LSU AgCenterLouisiana summer generation time
Louisiana's long, hot season is the real regional differentiator: an eight-day cycle means a missed source can go from a few flies to an explosion inside a single week.
LSU AgCenterBars and restaurants as the classic Louisiana source
For a Louisiana bar or restaurant operator this locates the problem precisely: under the floor mats and coverings where spilled beer has soaked in, not in the fruit garnish caddy.
LSU AgCenterWhen fruit flies are busiest around Houma
LSU AgCenter reports that infestations often explode with the onset of warm weather, which promotes rapid generation times from small initial populations; with an eight-day summer cycle Louisiana's warm season supports many overlapping generations.
LSU AgCenter says infestations of Drosophila repleta are harder to clear than D. melanogaster because its larvae live in biofilms around sinks, tubs, showers, kitchen cabinets, leaky faucets and drains, and under loose floor mats and damaged grout. It advises that determining where adults are most numerous points to the larval source, that area insecticide applications are typically ineffective when larval habitats are unknown, and that traps reduce residual adults but do not address the cause.
Sources: LSU AgCenter; University of Maryland Extension; Texas A&M AgriLife Extension. Figures are quoted as the source prints them. How we check our sources
Simple ways to keep fruit flies away
- Pick figs as soon as they start to ripen, as LSU advises.
- Clear elderberry, pokeweed and wild muscadine near the house.
- Fix dripping faucets and recaulk damaged grout.
- Lift bar and kitchen floor mats nightly and dry the floor beneath.
- Flush every drain and shower with hot water weekly.
- Rinse beer and soda cans before they go in the recycling.
In restaurants, floor drains and soda lines are the usual sources.Did you know?
LSU AgCenter calls ethanol a powerful fruit fly attractant, which is why bars draw so many.
LSU lists pokeweed, elderberries and wild muscadines as Louisiana hosts for spotted wing drosophila.
Larvae feed for five or six days, then crawl somewhere drier to pupate.
Questions people ask
Why are there fruit flies in my Houma bathroom when the kitchen is clean?
Per LSU AgCenter, its larvae develop in the biofilm on sinks, tubs, showers, dripping faucets and broken grout. In Houma's 77 percent humidity those surfaces rarely dry, so scrub them and fix drips. You likely have the dark-eyed fruit fly.
Is there a fruit fly season in Houma, LA?
Houma's winter lows average about 45F, mild enough that indoor sources keep going, and LSU reports an eight-day summer cycle. Activity is heaviest from late summer through fall, but a bar or warm kitchen breeds flies in any month. Not really.
Why does my bar always have fruit flies?
LSU AgCenter calls bars notorious for large populations, notes that ethanol is a powerful attractant, and says spilled beer under floor coverings forms biofilm ideal for larvae. Pull mats nightly and dry the floor. Look under the floor mats.
Do fig trees cause fruit flies in Louisiana?
When spotted wing drosophila arrived around 2012, LSU reports Baton Rouge figs became inedible within two weeks of the first flies. Harvest figs as they start ripening and keep split fruit away from a Houma kitchen door. They feed them.
Will spraying get rid of fruit flies?
LSU AgCenter says area insecticide applications are typically ineffective when larval habitat is unknown, and traps only reduce leftover adults. Find where the flies gather, remove that source, then clear stragglers. Only if you know where the larvae are.
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rewrite-v2 Published by Fruit Fly Exterminator · Updated October 11, 2026 · How we write these guides