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Investigation on parasitoids of crucifer vegetable pests in the suburb areas of Wenzhou
Author(s): 
Pages: 353-356
Year: Issue:  6
Journal: ACTA AGRICULTURAE ZHEJIANGENSIS

Keyword:  寄生蜂菜蛾绒茧蜂菜蛾啮小蜂寄生率;
Abstract: 通过1999、2000两年时间调查,发现温州郊区十字花科蔬菜害虫寄生蜂共计10种,并对菜蛾绒茧蜂Cotesia plutellae和啮小蜂Oomyzus sokolowskii的田间自然消长动态进行较为系统的研究,结果表明:温州郊区该两种寄生蜂在不同季节的田间自然寄生率,一年中6~7月和9~11月为两个发生高峰; 非防治区菜蛾绒茧蜂和啮小蜂的平均寄生率分别为18.2%和16.0%,而菜农防治区则分别仅为4.1%和2.8%,表明化学杀虫剂对这两种寄生蜂有较强的杀伤力.
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