The natural calendar of Tianfu 丨 The poetic summer night Xiaosheng Ling (July 22, 2022)

In the silent summer night of the southern countryside, most farmers have already turned off. Occasionally, one or two fireflies flew to the window, and the flashing fireflies added a few more agile to the dull summer night.

Why does the fireflies shine? Simply put, it is a series of complex biochemical reactions that occur under the catalysis, and light is the energy released in this process. It is the unique light of fireflies that make it an important ornamental insect.

In Chinese insect culture, fireflies are named with butterflies. This little creature, I do not know the inspiration and love of how many poets of ancient and modern poets, and became the darling of the literati.

As early as three thousand years ago, the Book of Songs · Dongshan, fireflies have become the object of attention. Among them, "Tamachi Katan, Yao Yao Niao" describes fireflies. Du Mu, a poet in the Tang Dynasty, wrote the eternal sentence "Silver Candle Autumn Cold Cold Screen, and the small fan fluttering and flooding." The word "stream" shows the spirit and lightness of the fireflies vividly. To this day, fireflies still often appear in popular songs. Their romantic figures and shining short lives have entrusted people with too many thoughts.

It is frightening that this kind of poetic species that have caused Chinese poetic for thousands of years have encountered a crisis of survival in recent years. Once upon a time, Xia Ye accidentally stepped through a piece of grass, and a large amount of fireflies flooded out and danced in the dark. Unconsciously, they are slowly disappearing.

In recent years, some urban business activities have also raised their ideas, often attracting the public under the fireflies, popular science, and romantic gimmicks, but the truth behind it is cruel -the fragmentation of the city's habitat, light pollution, water pollution, etc. It will cause fireflies to survive for a long time.

Fireflies like to live in a dark and humid environment. In fact, there are many places in Sichuan to watch wild fireflies, such as western Sichuan Mountains, and even summer nights in Qingcheng Mountain and Tiantai Mountain in Chengdu can be seen. If you really like it, you can go to these places civilization. Watch.