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lady beetles

网络而常利用的主要是有瓢虫

lady beetles

lady beetles

lady beetles

而常利用的主要是有瓢虫

其中效果较好而常利用的主要是有瓢虫（lady beetles）、草蛉（goldeneye lacewings）、食蚜蝇（feeding-aphid flies）、食虫 …

1

Then the beetle stepped down into the rich mud , where sat three young lady beetles , who tittered, because they did not know what to say .

随后金龟子就下到了这块风水宝地，那坐着三个年轻的金龟子，因为不知道说啥好而在那傻笑。

3

Lady beetles are a natural control for aphids . Aphids are tiny insects that develop colonies on plants and eat plant fluids.

瓢虫是蚜虫的天敌。蚜虫是一种靠吸食作物汁液的群居的微小昆虫。

5

There was a pupa of one kind of lady beetles on a leaf .

在一张叶子上有一种瓢虫的蛹。

6

in the southern unites state , asian lady beetles have reduced the need for farmers to use pests killing poisons on pecan trees .

在美国南部，亚洲甲虫为种植核桃树农民减少了使用杀虫剂的必要。

7

Experts say Asian lady beetles may appear in large numbers in some years . But they say the insects are too helpful to considered pests .

专家说亚洲瓢虫可能会在某几年内大量出现。他们还说这种昆虫是益虫而不是害虫。

8

Many of the well- known kinds of lady beetles come from Asia or Europe . They now are common throughout the United States .

我们熟知的瓢虫种类多来自亚洲或欧洲。现在它们在整个美国并不罕见了。

9

on the high nitrogen fertilizer region , lady beetles has the most to the aphis , next is parasitoids, the third is green lacewings.

低氮和中氮区以草蛉对棉蚜数量影响最大，其次是瓢虫，第三是寄生蜂；

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