毛股沟臀叶甲在贵州茶树的发生与防治建议

Occurrence and Control of Colaspoides femoralis Lefevre in Guizhou

随着茶园昆虫种群的演替,毛股沟臀叶甲已新晋为贵州茶树主要害虫之一,以成虫取食茶树当年生的新叶为主要危害,使茶叶表面呈现筛孔状,造成茶叶减产和品质下降。通过调查,毛股勾臀叶甲主要取食茶梢上当年生的早叶,整个茶园以第三、四叶为主,平均有5.87±0.41、5.71±0.65个的取食孔,严重时可损失1/3的叶片。

With the succession of insect population in tea plantation, Colaspoidesfemoralis Lefevre has been one of the main pests of Camellia sinensis in Guizhou, and the main hazard is to feed on the new leaves of the Camellia smensis in the same year, which causes the tea leaves surface to appear sieve holes, resulting in the reduction of tea yield and quality. Through the investigation, the hair stock hook is mainly taken from the top of the tea shoots on the early leaves, and the harm occurrence focuses on the third and fourth leaves in the entire tea garden. On average, there are 5.87±0.41, and 5.71±0.65 intake holes, and serious loss may even damage 1/3 of the blade.