アメリカ自然史博物館のインスタグラム(amnh) - 9月3日 12時39分

Did you see a firefly earlier this summer? If you live east of the Rocky Mountains, chances are it was a common eastern firefly (Photinus pyralis). There are more than 2,000 known species of fireflies worldwide and most communicate with patterns of flashing light. These signals are used to find and attract mates, deceive other firefly species, and avoid predators. Fireflies are bioluminescent, producing light by blending a cocktail of two chemicals—luceferin and luciferase—in a specialized organ known as their lantern.
Photo: terry priest

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