The melanous rate of adults was 2.75%.
成
的黑化个体占2.75％。
The melanous rate of adults was 2.75%.
成的黑化个体占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
蚧有较强的捕食作用，通过散放瓢的成和幼，增加林间瓢的数量，
较好抑制湿蚧的增长。
Fig. 1. Cumulative preadult mortality rate of Bemisia argentifolii, originating from three groups of host plant, on six
图源类作物的银叶虱在六种杂草的成
累积死亡率.
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