Scientific name Phyllotreta vittula Redtenbacher Coleoptera, Lepidoptera. Alias ​​yellow caterpillar vegetable hop, wheat yellow stripe, straight hop, yellow narrow hop, dish rake, soil fleas, yellow fleas, dog locusts. Synonyms Phyllotreta rivularis Motsch., P.tunisea Pic. Distribution of Inner Mongolia, Gansu, Xinjiang, Hebei, Shandong, Henan and other provinces. Host rape, cabbage, cauliflower, cabbage, radish and other cruciferous vegetables. See the characteristics of the damage of yellow song hop. Morphological characteristics Adult body length 1.5-1.8mm, body black, shiny. The head and chest are dark green in metal; the yellow strip on the eel wing is narrow and straight, and the center width is only l/3 of the wing width. The tentacles are dark brown, but the base is dark brown in color and can be distinguished from other species. Living habits are distributed in the area north of Henan Province in China, and the adults are overwintering. In the spring, the vegetables are extremely vicious and seriously damaged. Adults often eat leaf melons along the veins of the leaves, leaving only the bottom epidermis, causing the leaves to curl and wither. When the weather is dry, it is especially harmful. For prevention and control methods, see the yellow song strips.
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