蠼螋对甘蔗扁飞虱的捕食功能反应研究
XIANDAI NONGYE KEJI(2008)
Abstract
室内研究了蠼螋对甘蔗扃飞虱的捕食功能反应和寻找效应.结果表明,蠼螋的捕食量均随着猎物密度的增加而上升,当猎物增加到一定水平、捕食量趋向稳定时,捕食功能反应曲线符合HollingⅡ型方程,拟合方程为Na=1.037 5N/(1+0.0069N).蠼螋时甘蔗扁飞虱的捕食量差异显著,理论最大日捕食量为150.4头.蠼螋捕食时可连续吃飞虱29头,每吃1头需时5~10min.
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