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合欢吉丁虫（Ａｇｒｉｌｕｓｓｐ．）是合欢树的主要蛀干害虫，引起树干流胶导致合欢树整株死亡。该虫一年发生一代，以不同龄期的幼虫在被害枝干内越冬，成虫羽化盛期为５月上、中旬，幼虫一直为害至１０月份开始越冬，合欢吉丁虫幼虫期有３种寄生性天敌。
Agrilus spp. Is the major pest of the Acacia tree, causing the flow of glue through the trunk leading to the death of Acacia whole plant. The pest occurs one generation a year. The larvae of different ages are overwintering in the damaged branch. The adult eclosion peak is in May and middle of the month. The larvae have been harmed until October, Natural enemies.