Spring has come, which is not only the season of sowing agricultural seeds, but also the season of planting broccoli. But for broccoli, in addition to strengthening management when cultivating saplings, we should also pay attention to the dinner growth period. Broccoli not only has water and fertilizer management during the growth period, but also has more pest control. Especially this year, there will be more pests and diseases. Insect pests occurred when vegetables were planted in Shandong, but now these days, growers have found a kind of insect pest when planting saplings, that is, horizontal vegetable insect. Today we are going to talk about this pest, hoping to help more growers.

There are common pests in growing vegetables and fruit trees. Vegetable striped beetle is also a common pest in vegetable planting. Stinkbug, a striped vegetable, is an insect belonging to Hemiptera, so it is no stranger to insect pests. Earthworms that harm fruit trees and vegetable insects that harm vegetables are also insects that we often talk about. These pests secrete gas, so they are called bedbugs. Even hundreds of horizontal striped vegetable pests are common vegetable pests in China, which may occur in most parts of China, whether in the south or the north. This pest mainly likes to harm cruciferous vegetables, such as cabbage, cabbage, broccoli, etc., and attention should be paid to planting cruciferous vegetables. The following is a description of the morphological characteristics.

The adults of striped cabbage worm are similar to pests of different sizes. It is about 7-8 mm long, 4-5 mm wide and round. The body color of striped bug is a combination of orange and black, with little hair. Hair has two tentacles, the tentacles are black, and the ends are shrunk by a third. There is a cross-shaped yellow pattern in the middle of the body, a smooth red spot in the middle, and a yellow curl in the front of the body. Larvae are divided into five age groups. 1 instar larvae are about 1- 1.2mm long, 0.8- 1mm wide, with orange-yellow body, pale yellow antennae from 1 node to 3 nodes, dark gray abdomen, yellow abdomen, 7 black spots of different sizes in the middle of abdomen, and 7 black spots in the tail.

The chest is black, the side is white with wide edges, there are three orange triangular patches on the back plate, the small shield on the body extends backwards, the legs are black, the feet are yellow, and there are 1 large black spots on the back. The 4th instar larva is about 3-5 mm long and 3 mm wide, with a mushroom-shaped back, triangular sides of the body, yellow spots on both sides of the abdomen, an arc-shaped back similar to an adult, and wavy front and rear edges. The 5th instar larva is about 5-6 mm long and 3-4 mm wide. Its head, chest and tentacles are all black, with a triangular yellow spot on its head and three burgundy on its chest and back.