The melanous rate of adults was 2.75%.
黑化个体占2.75％。
The melanous rate of adults was 2.75%.
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.
圆斑弯叶毛瓢对湿地松粉蚧有较强捕食作用，通过散放瓢和幼，增加林间瓢数量，
较好地抑制湿地松粉蚧增长。
Fig. 1. Cumulative preadult mortality rate of Bemisia argentifolii, originating from three groups of host plant, on six
作物银叶粉虱在六种杂草前期累积死亡率.
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