The melanous rate of adults was 2.75%.
的黑化个体占2.75％。
The melanous rate of adults was 2.75%.
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.
圆斑弯叶毛瓢对湿地
有较强的捕食作用，通过散放瓢的和幼，增加林间瓢的数量，
较好地抑制湿地的增长。
Fig. 1. Cumulative preadult mortality rate of Bemisia argentifolii, originating from three groups of host plant, on six
图源类作物的银叶虱在六种杂草的
期累积死亡率.
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