The seven-spotted ladybug is a predatory insect of the Coleoptera family Coccinellidae. Adults can prey on wheat aphids, cotton aphids, sophora aphids, peach aphids, scale insects, ticks and other pests, which can greatly reduce the damage to trees, fruits and various other pests. Crops are damaged by pests, which are called "living pesticides" and are widely distributed throughout our country. In the southern part of North China, it is commonly known as "Sister Hua". Adult worms are 5.2-6.5 mm long and 4-5.6 mm wide. The body is oval, with an arched back and a scoop shape. The head is black, the compound eyes are black, and there is 1 light yellow dot in the inner recess. Antennae brown. Mouthparts black. The upper side is yellow. The front and back of the chest are black, and there is a large, nearly square, light yellow patch on each of the front and upper corners. Scutum black. The elytra are red or orange-yellow, with a total of 7 black spots on both sides; the base of the wing has a triangular white patch on both sides of the small scute. The body belly and feet are black.
