中华通草蛉卵、幼虫和成虫在麦田分布型的研究

Distribution patterns of eggs, larvae and adults of Chrysoperla sinica Tjeder in wheat fields

研究了中华通草蛉卵、幼虫和成虫在麦田的分布型 ,均属聚集分布。分析提出适宜的取样调查方法 ,即双对角线或棋盘式 10点 ,每点调查

The distribution patterns of eggs, larvae and adults of Chrysoperla sinica Tjeder in wheat fields were studied. The results showed that their distributions all belonged to aggregate patterns. A suitable sampling method was proposed with ten sampling spots in the form of double diagonal lines or chessboard and each spot including one square metre of wheat plants.