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桂花叶蜂的生物学和防治
黎天山; 丘风波;   
广西植物研究所
摘要:
桂花叶蜂是桂花树的主要害虫之一。幼虫取食嫩叶,对桂花树造成严重损害。在广西桂林一年发生一次。以老熟幼虫于土内作茧越冬。孤雌或两性生殖。幼虫期五龄,预蛹期长达270多天。试验结果表明,80%敌敌畏乳剂1000—1500倍液或40%乐果乳剂1000—5000倍液对幼虫均有良好的防治效果。
关键词:  桂花叶蜂  桂花树  幼虫期  静伏  头宽  姬蜂  生活史  成虫羽化  试验结果  涂宽  
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