Cicadas are a type of insect belonging to the superfamily Cicadoidea within the order Hemiptera. Below is detailed information about cicadas and their life habits:

Species classification
There are hundreds of different species of cicadas, distributed all over the world, mainly divided into two categories: winged cicadas and hymenopteran cicadas.
Appearance features
Size : Cicadas are usually quite large, with some species having a wingspan of several inches.
Transparent wings : Cicadas have thin, transparent wings and beautiful colors, often green or transparent.
Compound eyes : They have well-developed compound eyes and are able to make loud noises.
distributed
Cicadas are found all over the world, but are mainly concentrated in warm regions.
Habitat
Cicadas inhabit trees, shrubs, grasslands, and other densely vegetated areas, and they typically live underground.
Dietary habits
Cicadas are herbivorous insects. Their larvae feed on the roots and stems of plants, while the adults mainly suck plant sap.
Lifestyle
Hatching cycle : Cicadas go through different larval and adult stages, including a larval period that lasts for several years underground.
Reproduction : The life cycle of cicadas varies depending on the species. Generally, the reproductive cycle is relatively long, while the adult lifespan is relatively short.
Reproduction and reproductive behavior
After maturing, cicadas mate and lay eggs. Some species lay their eggs on trees, while others bury them in the soil.
Sound Habits
Cicadas are famous for their unique sounds. On hot summer days, the sound of cicadas chirping in the woods is so enchanting that it makes people linger.
Relationship with humans
Cicadas have a significant impact on ecosystems. As herbivorous insects, they serve as food for other organisms and can also influence plant growth and reproduction.
In some cultures, cicadas are symbolic, seen as symbols of diligence or loneliness. They are also used as traditional medicinal materials.
In general, cicadas are a group of insects distributed all over the world, known for their unique life cycle and vocal habits. In many places, cicadas are also considered a remarkable part of nature.