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How do maggots come from nowhere?
Maggots don't just show up out of nowhere; they show up for a reason. Flies become attracted to some rotting material or spoiled food in your home and use that as a breeding ground to lay their eggs which hatch to become maggots.
Where do maggots come from if there are no flies?
Sometimes, it may seem like the maggots appear from nowhere, but it's just that you didn't notice the fly or its eggs. The fly lays hundreds of eggs at a time, which will begin to hatch within a day.
How do maggots get in sealed food?
Fruit flies and moths can lay eggs in the food before it gets into a sealed plastic container where it's stored. Sometimes, it is the cap of a plastic bottle that is left off or cracked that allows these bugs to get in, and the eggs hatch into maggots.