As the increase of the quantity of parasitoid released, the mortality caused by parasitoids of vegetable leafminer larvae was obviously increased.

  • 不同的季节寄生蜂的控制作用差异较大,其中春季菜豆上除第一代外,其余各代排除作用控制指数均比秋季大,这是由于春季美洲斑潜蝇种群密度较秋季低,因而秋季寄生蜂的控制作用相对较弱。
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