【摘 要】
：
为了保护和利用本地卵寄生性天敌克制甘蔗螟虫的为害,本文对广西蔗区甘蔗螟虫卵寄生蜂的种类分布以及发生动态进行了调查研究.2011年至2014年调查结果表明,螟黄赤眼蜂在调查
【机 构】
：
中国农业科学院甘蔗研究中心/广西农业科学院甘蔗研究所,南宁530007广西大学,南宁530007
论文部分内容阅读
为了保护和利用本地卵寄生性天敌克制甘蔗螟虫的为害,本文对广西蔗区甘蔗螟虫卵寄生蜂的种类分布以及发生动态进行了调查研究.2011年至2014年调查结果表明,螟黄赤眼蜂在调查的11个广西蔗区均有分布,而玉米螟赤眼蜂和黑卵蜂则仅在部分蔗区分布;甘蔗生长前期在不同蔗区调查的赤眼蜂的寄生率均较低.2011年和2014年调查的南宁、崇左和来宾三个蔗区,在甘蔗生长中后期赤眼蜂对甘蔗螟虫的寄生率均明显高于甘蔗生长早期寄生率;在崇左蔗区,黑卵蜂寄生率较高,甘蔗生长早期和甘蔗生长中后期黑卵蜂对甘蔗螟虫的寄生率相差不大.
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