There are no flies in my house, but if I leave a piece of fruit out too long, they show up. Even if it’s far away from any doors or windows, they’ll be there. So, where do they come from?
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They can smell things from like a mile away, they can come from plants and drains, and they can come through windows and cracks
Fruit flies have one of the fastest breeding cycles.
And the answer is files you don’t see. You gotta keep your windows screens closed and stop leaving food out.
So this is just google now. You are violating rule 7 of this sub. Even if you just search this sub that exact question has been asked and answered many times.
“Fruit flies come from a variety of sources, including:
Infested produce
Fruit flies can lay eggs inside produce from the grocery store or farmer’s market.
Openings
Fruit flies can fly into your home through open windows and doors, or through cracks in walls and loose seals.
Fermenting material
Fruit flies can breed in moist, fermenting material found in drains, garbage disposals, empty bottles and cans, trash containers, mops, and cleaning rags.
Outside
Fruit flies can smell rotting fruit from miles away and are attracted to temperate climates with lots of water.
Spills and crumbs
Fruit flies can breed on crumbs and spills that go unnoticed.
Fruit flies can seem to appear out of nowhere because they breed and develop quickly. A single fruit fly can live for about 50 days and lay around 50 eggs per day. If left unchecked, an infestation can quickly grow out of control”
Edit:”
They come from other fruit flies. Fruit flies are little, and a single one is easy to miss. Imagine all the times you walk in and out of your home, and open this big 3’x7’ opening while you walk through it. PLENTY of time for one fly to sneak in while it was flying around your home sniffing it out. They’re basically “everywhere” to begin with.
That’s not even considering where the fruit was before it got home… but what I’m saying is even the fruit just materialized in your home, flies would find it before too long. Their life depends on it, you know? They’re exceedingly good at it.
I don’t want to gross you out, but they were probably there before you bought the fruit. The picked and ripening fruit could be exposed to fruit flies at any point between the orchard and your house. A momma fly looks for any sort of dead plant matter to lay its eggs in, including the apples or bananas that were recently picked. They’ll deposit the eggs on the now technically dead fruit, probably in the storage bins at the orchard. Those eggs will roll through the fly’s life cycle, slowed down by the cold storage the store or shipping company puts them in, and then hatch inside your house. Boom, you now have flies.
The best way to prevent this would be to wash your fruit as soon as you get it home. Alternately, you can live with the fact that you’ve been eating fruit fly eggs your whole life.
Yum!
There are fruit flies at the store. They lay eggs in and on the skin of fruit there. Then they hatch at your house
they are impossible to see worms in all fruit that just get” born” into flies when it’s not too cold for them.
In addition to the explanation about coming in through the actual fruit you bought, your house is not air tight. You may think it is, but it is not. If there is any point of ingress that is roughly 1mm wide, a fruit fly is coming in.
There’s fruit fly eggs on and in the fruit you bring from the store. If you don’t eat the fruit soon enough, the eggs hatch at your house. Some can flies come in your windows and doors too, but for fruit flies that’s not the main source.
They’re on the fruit.
This is the correct answer – Spontaneous Generation, living things from non-living matter: [https://en.wikipedia.org/wiki/Spontaneous_generation](https://en.wikipedia.org/wiki/Spontaneous_generation)
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