moisture, decomposing food, leaking garbage bags, and an open lid can make a container particularly attractive.
The solution does not need to be complicated.
Remove the garbage, eliminate visible larvae, scrub away food residue, rinse the container, let it dry when possible, and keep future waste securely contained.
Be especially careful with meat, fish, pet waste, and other rapidly decomposing materials during warm weather.
Popular tricks involving vinegar, baking soda, salt, bay leaves, citrus peels, essential oils, or powders may sound convenient, but none is more important than basic sanitation and preventing adult flies from reaching the garbage.
Most importantly, avoid unsafe chemical combinations. Never mix chlorine bleach with vinegar, acids, ammonia, or unidentified household cleaners.
A clean, dry bin with securely tied garbage bags and a tightly closed lid gives flies far fewer opportunities to reproduce—and that is the simplest way to keep the next generation of maggots out