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- The major dominant species of insect pests were Pieris rapae and Lipaphis erysimi and the major dominant species of predatory enemies were Sittius sinensis and Theridium graminicola. 害蟲(chóng)主要優(yōu)勢種為菜青蟲(chóng)和菜蚜為優(yōu)勢種；捕食性天敵主要優(yōu)勢種為中華躍蛛、草間小黑蛛。
