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槐豆木虱生物学特性及其防治

杨友兰,王红武,吕小虎

ENTOMOLOGICAL KNOWLEDGE（2002）

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Abstract
槐豆木虱Cyamophila willieti(Wu)近年来在山西中部发生逐年加重,造成国槐(Sophora japonica L.)、龙爪槐(Sophora japonica Var.)严重受害.该虫1年发生4代,以成虫在树冠杂草下、土缝中越冬.室内饲养观察,成虫单头产卵量为110.0±14.94粒,卵孵化率为(88.0±1.72)%,若虫共5龄.对3龄左右若虫进行了室内、室外药剂防治试验,处理48 h后,若虫死亡率均在90%以上,以浓度为33.3 mg/L的5%高效氯氰菊酯常量喷雾防治效果最好.
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