In this thesis, the biology and ecology of the ladybird beetle and its control effect on the mealybug were studied in laboratory and in forest.

• 本文对该瓢虫生物学、生态学特性及其对湿地松粉蚧控制作用进行了研究，现将主要结果分述如下： 1）圆斑弯叶毛瓢虫生物学特性 圆斑弯叶毛瓢虫喜食湿地松粉蚧，且能以柑桔粉蚧Pseudococcus citri Risso为中间寄主进行大量繁殖。