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A Biting Question

Why do flies nibble on certain days?

(HealthDayNews) -- Some days the flies are biting like crazy, and other days they only hang out. Ever wonder why? Don't take it personally, it's just the weather.

According to the Journal of the American Mosquito Control Association, flies are very responsive to weather conditions. When the temperature is more than 60 degrees and there's a clear sky and a light breeze blowing, flies will be at their biting best.

When the temperature drops below 50 degrees or there's rain, flies won't bite at all.

And flies don't have any preferred time of day to bite. They're as likely to bite at dawn and sunset as they are in the middle of the day.

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