但是,虽然有少数瓢虫可能是欢迎的园丁,几万元不会。
一名妇女被震惊的,讽刺的是,瓢虫似乎是吸引她的淡黄色大众甲壳虫。
BT转基因马铃薯,被添加了产生雪花莲外源凝集素(在雪花莲中发现的一种天然毒素)的基因,也被发现可以杀死瓢虫。
和盛捷查德在1000万瓢虫已经下降的农田和建立家庭。
西宁地区农田瓢虫种类调查及横带瓢虫生物学特性的研究
1·The barge used one-tenth as much water as a comparable field farm. There was no agricultural run-off, and chemical pesticides were replaced with natural predators such as ladybirds.
开普罗介绍说,驳船上的用水只有普通田地的十分之一,也没有农业径流,使用生物天敌防治像瓢虫这样的温室蔬菜害虫而不是化学农药。
2·There were ants, lacewings, ladybirds, and beetles.
里面有蚂蚁,草蜻蛉,瓢虫,和甲虫。
3·Here are some ladybirds.
这儿有一些瓢虫。
4·Ladybirds are red. So are strawberries. Why?
瓢虫是红哒,草莓也是,为啥呢?