Therefore, the ladybird beetle could be considered as a potential biocontrol agent in controlling the pine mealybug in practice.

• 圆斑弯叶毛瓢虫对湿地松粉蚧有较强的捕食作用，通过散放瓢虫的成虫和幼虫，增加林间瓢虫的数量，能较好地抑制湿地松粉蚧的增长。