While the intense summer heat over the Northeast and Ohio Valley has many people feeling uncomfortable and unable to seek relief, it could bring something good: fireflies.
Fireflies, also known as lightning bugs, are known for their bright displays at night. The glow they give off comes from a chemical reaction that occurs in their organs called bioluminescence.
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In the United States alone, there are over 150 species with more in areas like Central and South America, and, in contrast to the name, fireflies are actually beetles.
Fireflies don’t just glow to light up the night sky, but as a part of a mating display. Fireflies with the longest and brightest flashes are the ones that attract the most mates.
But how does weather contribute to when these radiant bugs make an appearance? Humid and hot conditions allow lightning bugs to thrive.
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When temperatures are warm and the air is saturated, firefly larvae can stay moist, which is necessary for their survival. Warm temperatures and rain also bring out fireflies’ primary source of food, slugs and snails.
In terms of flashing, hot weather increases firefly activity because they are cold-blooded insects that rely on warmth to function.
The best chance to see fireflies is on a warm humid night around and after sunset in areas with greenery.
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According to the Farmers’ Almanac, the best time during the summer months to see fireflies is dependent on region.
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Here's what you can expect in your area:
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