Description: Insect name, coleoptera, Gougosoptera. It is distributed in Ningxia, Inner Mongolia, Henan, Jiangxi, Hubei, Qinghai, Shandong, Shanxi and Hebei. It mainly harms carrots, radishes, bitter beans, broad beans, goji berries, beets, green onions, cruciferous vegetables and so on.
Morphological characteristics: Adult males are 10 to 14 mm long, females are 14 to 18 mm long, and all dark blue is shiny, densely covered with soft long hairs. The elytra have a transverse band of red to yellow , and a broad , short, black head that leans downward. The antennae are filamentous and short, only 1/2 of the forethia, russet brown, and the ends of the antennae are several sections as thick as sticks, dark brown, and the tip of the terminal segments extends inward like a peach. Compound eyes large russet brown. The dorsal plate of the anterior thorax is wider anteriorly and posteriorly, with the anterior margin equal in length as the posterior margin of the head, and the posterior margin contracting like a neck and narrower than that of the elytra. The elytra are narrow and long like coriander or celestial bull, and the elytra have 3 red or yellow transverse color spots on the elytra, and the feet are blue and 5 tarsal nodes. The larvae are narrow and long, orange-red, 3 pairs of pectoral feet, the dorsal plate of the anterior thorax is yellow and chitinous, the carcass is soft and covered with pale thin hairs, the 9th section of the dorsal mask is 1 hard plate, and the ventral end is attached with 1 pair of hard protrusions. 【Agricultural professional knowledge service system】Agricultural science and technology literature integration, online knowledge service