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通过室内饲养和野外调察,明确了槐小卷Cydia trasias(Meyrick)在山东泰安的发生规律,结果表明:该虫在泰安1年3代,以幼虫蛀食国槐(Sophora japonicaL.)等槐属的叶柄及果荚,一头幼虫危害9～12个叶柄,群体爆发时造成大量叶柄脱落、秃枝、果荚变黑,影响国槐的观赏和经济价值。10月份以老熟幼虫在原蛀孔、树皮缝、果荚内越冬。
Through indoor rearing and field investigation, the occurrence regularity of Cydia trasias (Meyrick) in Tai’an, Shandong province was clarified. The results showed that the larvae were susceptible to Sophora japonica L. (Sophora japonica L.) It belongs to petiole and pod. One larvae endanger 9-12 petioles. When a group breaks out, it causes a large number of petioles to fall off. Bald branches and dark pods will affect the viewing and economic value of Sophora japonica. In October the mature larvae in the original wormhole, bark seam, pod winter.