2. It has unique flavor and rich nutrition. In recent years, the market demand is increasing, and the number of artificial breeding is increasing.

3. After the cicada is unearthed, its adult has a strong phototaxis, and it will enter the greenhouse after emergence as an insect in the early stage. When it is caught, cicadas will fly around because of the light, leading to the death of insects. Therefore, all the cicadas unearthed in the previous 1 week can be captured, and the cicadas can naturally emerge and lay eggs one week later.