;ladybirds have black spots on their red wing covers.
瓢虫红
的翅膀上有黑的斑点。
ladybirds have black spots on their red wing covers.
瓢虫红的翅膀上有黑的斑点。
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
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的增长。
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