The melanous rate of adults was 2.75%.
虫的黑化个体占2.75％。
The melanous rate of adults was 2.75%.
虫的黑化个体占2.75％。
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，通过散放瓢虫的虫和幼虫，增加林间瓢虫的数量，
较好地抑制湿地松粉蚧的增长。
Fig. 1. Cumulative preadult mortality rate of Bemisia argentifolii, originating from three groups of host plant, on six
图源类作物的银叶粉虱在六种杂草的虫前期累积死亡率.
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