The scientific name of this insect is Chaetocnema hortensis Geoff., which belongs to the order Coleoptera. This species closely resembles other flea beetles that infest corn pods, making it sometimes difficult to distinguish without careful examination. Its geographical distribution ranges from Heilongjiang and Inner Mongolia in the north, extending slightly south of the Yangtze River, reaching as far as Jinhua in the south, Linchuan in Jiangxi, and including the eastern borders. In the west, it can be found in Shaanxi, Gansu, and Qinghai provinces.
This pest primarily targets crops such as wheat and rice, causing damage by feeding on leaves and stems. The damage characteristics include small holes in the foliage, which can lead to reduced crop yield and quality. Morphologically, the adult beetle is small and typically dark-colored, with distinct markings that help in identification. Understanding its life cycle and behavior is crucial for effective management.
For detailed information on its morphological features, feeding habits, and control methods, you can refer to "Minzuo's Jumps," a well-known resource in agricultural entomology. Prevention strategies often involve crop rotation, proper field sanitation, and the use of appropriate insecticides when necessary. Monitoring fields regularly and taking early action can significantly reduce the impact of this pest on agricultural production.
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