The dung beetle, commonly known as dung beetles, belongs to Coleoptera Scarabaeidae. Black or dark brown body, large and medium-sized insects. Dung beetles can locate themselves by moonlight polarization and help them find food. It has certain phototaxis. There are more than 20,000 species of dung beetles in the world, which are distributed in any continent except Antarctica. The most famous dung beetles lived in Egypt and was1~ 2.5cm long. The largest dung beetles in the world is the giant dung beetles with a length of10cm. Dung beetles are mostly dung-eating animals, which feed on animal dung and are known as "natural scavengers".

Dung beetles usually feed on feces or humus, which plays an important role in the balance of the ecosystem. The ecological value of dung beetles includes the transfer of feces to the ground, the secondary spread of seeds, pollination, the control of intermediate hosts of pests and parasites, and the development and application prospect of dung beetles, which is of great bionic significance and theoretical significance.