大黑蛴螬活动规律及对农作物幼苗的取食趋性研究
Journal of Environmental Entomology（2014）
Abstract
研究了不同龄期大黑鳃金龟Holotrichia oblita幼虫(蛴螬)的活动规律及其对6种农作物幼苗根部的取食趋性.大黑蛴螬的活动规律结果表明:各龄期大黑蛴螬均易趋向于幼苗根部寻找食物.采用双因素方差分析法研究取食时间和幼苗种类对大黑蛴螬取食趋性的影响.结果显示:除二龄外,一、三龄大黑蛴螬3d后和6d后在幼苗根部的虫量没有显著性差异;而在不同幼苗根部,各龄期大黑蛴螬的虫量均存在显著性差异.
MoreKey words
Holotrichia oblita larva,activities,feeding taxis
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