The pinyin of the seven-star insect is qīxīngchóng. Its responsibilities are as follows:

1. Purify water quality and promote ecological balance: Seven-star worms are benthic organisms. They mainly live in water and purify water quality by filtering and feeding suspended particles in the water. This filtration helps reduce contaminants in the water and improves water quality. Seven-star bugs play an important role in the ecosystem. They are food for many fish and other aquatic organisms and can also be used by other aquatic organisms.

2. Biological indicator species: Heptaspora is relatively sensitive to environmental changes and can be used as a biological indicator species to monitor water quality and pollution levels. By observing the number and health status of the seven-star worms, we can understand the environmental conditions of the water body and provide a reference for environmental protection.

3. Edible value: Seven-star insect is a common edible insect in the south and is known as "water ginseng". Its meat is tender, rich in nutrients, and has the function of nourishing and strengthening the body. In some areas, seven-star worms are made into delicacies, such as seven-star worm steamed eggs, seven-star worm soup, etc., which are deeply loved by people.

Characteristics of the name of the Seven-Star Insect

1. Imagery and regionality: In the name of the Seven-Star Insect, the word "Seven Stars" is iconic and can easily remind people of the stars in the sky. The Big Dipper and the beauty of their twinkling in the night sky. This imageability makes the name of the seven-star insect easy to remember and recognize. The seven-star insect is mainly distributed in southern China, so its name has a certain regional character.

2. Cultural nature: The name of the seven-star insect also has a certain cultural nature. In traditional Chinese culture, seven is an auspicious number and is often used to represent perfection, wealth and happiness. Therefore, the name of the seven-star insect contains auspicious cultural connotations and expresses people's yearning and pursuit of a better life.

3. Scientific nature: From a scientific point of view, the name of the seven-star worm has a certain scientific nature. The seven-star insect is a myriapod insect with many small pores on its body surface, which can be used for breathing and excretion. When people eat seven-star worms, these holes help people better digest and absorb nutrients. Therefore, the name of the seven-star insect also has a certain scientific meaning.