A fully grown ladybug can eat nearly 500 aphids a day.

一只长大的瓢虫每天能吃掉五百只虫。

Imagine you're an aphid, a tiny insect that sucks plant sap for a living.

想象一只虫——一种以吸食植物汁液为生的小昆虫。

You can't be too young if you're an aphid, some of them are born pregnant.

如果虫，再早繁衍都不算早，它们有些刚出生就已经怀孕了。

Right now, the aphids have the upper hand.

现在 他眼里只有瓢虫。

Meanwhile, among aphids, losses are not a problem.

然而对于虫来说损失根不问题。

When you do see pests like aphids, wash them away.

当看到诸如虫之类的害虫时，把它们洗掉。

You want to wash aphids off with a strong current of water.

想用一股强水流把虫冲走。

But some aphids, katydids, lizards, geckos, and snakes only ever reproduce via parthenogenesis.

而有些虫、蝈蝈、蜥、、蛇等只进行孤雌生殖。

Female aphids can make little, tiny clones of themselves without ever mating.

雌虫不用交配就能复制很小很小的自己。

But how do you deal with the aphids on tomato plants?

但如何处理番茄植株上的虫呢？

By cloning themselves with 'virgin births' and reproducing sexually, aphids maximise their chances of survival.

通过" 单性生殖" 的无性繁殖以及有性繁殖，虫使它们的生存机会最大化。

Herding aphids is pretty much the same.

放牧虫基也一样。

Ants keep predatory insects away from where their aphids feed; Gmail keeps the spammers out of our inboxes.

蚂蚁赶走虫进食之处的捕食性昆虫；谷歌邮箱也帮助我们在收件前远离那些垃圾邮件制造者。

See if you can hear the strategy American aphids use to reproduce.

看看能不能听懂美国虫繁殖的策略。

Insects in the Hemiptera order have piercing-sucking mouthparts and include bed bugs, cicadas, aphids, and leafhoppers.

半翅类的昆虫就具有这样刺吸式的口器，其中包括臭虫、蝉、虫、叶蝉。

Well, Clem says they might be pursuing the aphids they eat southward...or maybe they're following the blooms of nectar-rich flowers.

Clem 说它们可能在追随在南方吃的虫，或者追赶富有花蜜丰富的植物的花期。

One is to spray soapy water onto soft-bodied insects like aphids, spider mites, thrips and whiteflies.

一种向虫、蜘蛛螨、蓟马和粉虱等软体昆虫喷洒肥皂水。

Clusters of tiny insects called aphides were to be found on the underside of the leaves.

结果在树叶背面找到成串的叫作虫小虫子。

The young aphids that hatch are all female.

孵化出来的虫幼虫都雌性。

In the spring, female aphids lay eggs which hatch - break open allowing the young to come out.

在春天，雌性虫会产卵，卵会孵化 —— 破壳让幼虫出来。