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梨瘿蚊的发生特点及防治钱巧琴（浙江省义乌市农业局３２２０００）梨瘿蚊（Ｄｉｐｌｏｓｉｓｓｐ．）俗称梨芽蛆，属双翅目、瘿蚊科。１９８８年梨瘿蚊在浙江省个别梨园首次发现，目前已蔓延全市梨园。被害树叶卷缩、变黑枯萎，造成大量落叶、落花和落果，严重影响产量及...
Pear mosquito occurrence and prevention and treatment Qian Qiaoqin (Zhejiang Yiwu Bureau of Agriculture 322000) Pear mosquito (Diplosissp.) Commonly known as pear bud maggot, is a Diptera, Culicidae family. In 1988, Pythium was found for the first time in individual pear orchards in Zhejiang Province and has now spread throughout the city. Crimson leaves crimp, turn black withered, resulting in a large number of leaves, falling flowers and falling fruit, seriously affecting the yield and ...