It is a family of insects In the family Coleoptera, divided into 5 subfamilies, 9000 species are known worldwide and more than 700 species are known in China. Many have a bright metallic luster and a smooth body surface, but the body color of the subfamily neophyllaceae is dark, and the dorsal body has a tumor process. The top of the head is partially or partially embedded in the anterior chest, the compound eye is intact or the inner edge is concave, and the oval shape is kidney-shaped. The ventral surface of the elytra is mostly marginal, and many species of saw-horned leaf carapace are particularly developed. The leg segments of the hind foot are often coarser or more pronouncedly enlarged than those of the anterior and middle feet.
There are many species of pests in the family that are pests of trees and fruit trees, and a few species are pest tea, camellia oleifera, sugarcane, sweet potato, corn, sorghum and so on.
