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蚜虫。

The young aphids that hatch are all female.

孵化出来的蚜虫幼虫都雌性。

Right now, the aphids have the upper hand.

眼里只有瓢虫。

Meanwhile, among aphids, losses are not a problem.

然而对于蚜虫来说损失根本不问题。

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

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

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

而有些蚜虫、蝈蝈、蜥蜴、壁虎、蛇等只进行孤雌生殖。

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

雌蚜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蚜虫呢？

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

想一只蚜虫——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.

如果蚜虫，再早繁衍都不算早，它们有些刚出生就已经怀孕了。

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

想用一股强水流把蚜虫冲走。

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、蚜虫、叶蝉。

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

结果树叶背面找到成串的叫作蚜虫的小虫子。

Herding aphids is pretty much the same.

放牧蚜虫基本也一样。

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

Clem 说它们可能追随南方吃的蚜虫，或者追赶富有花蜜丰富的植物的花期。

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，蚜虫使它们的生存机会最大化。

The aphids feed from plants and produce a sweet honeydew, which they trade with the ants for protection.

蚜虫以植物为食，并产生甜蜜的甘露，然后与蚂蚁交易以保护它们。

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

看看能不能听懂美国蚜虫繁殖的策略。

This amazing reproduction process allows aphids to reproduce without wasting any time looking for a partner.

这种奇妙的繁殖过程让蚜虫能不用寻找配偶这样就不会浪费任何时间。

Gardeners around the world will be upset to hear that - those young aphids just love eating tomato plants!

全世界的园艺者们听到这个会很郁闷的 —— 那些小蚜虫喜欢吃番茄植物。