Scarab Chinese scientific name: Scarabaeiinae, Scarabaeidae, Coleoptera, Scarabaeidae, Genus Scarabaeidae are distributed all over the world. There are more than 30,000 species in the world, and there are about 1300 species in China, and each section can be opened and closed freely. The shell is hard, the surface is smooth, and it has metallic luster. The front wing is hard, the rear wing is membranous, and it is mostly active at night and has phototaxis. Some species also have the phenomenon of quasi-death, and they will fall to the ground and play dead after being frightened. Adults are generally male and female, which harm the aboveground parts of plants such as leaves, flowers, buds and fruits. The common species are red-footed green scarab, black velvet scarab, northeast big black gill horn, green scarab and copper tamarind, which are harmful to crops such as soybeans, peanuts, beets, wheat, millet and potatoes.

[1] Scarabs are pests. Adults bite the leaves into reticular holes and nicks, and in severe cases, only the main veins are left, which is even more serious when they are clustered. Often in the evening to the evening 10, biting is the most abundant.