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

一只长大瓢虫每天能吃掉五百只蚜虫。

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

象你是一只蚜虫——一种以吸食植物汁液为生昆虫。

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

如果你是蚜虫，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.

然而对于蚜虫来说损失根不是问题。

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

当你看到诸如蚜虫之类害虫时，把它们洗掉。

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

你用一股强水流把蚜虫冲走。

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很己。

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

但是如何处理番茄植株上蚜虫呢？

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

通过" 单性生殖" 无性繁殖以及有性繁殖，蚜虫使它们生存机会最大化。

Herding aphids is pretty much the same.

放牧蚜虫基也是一样。

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.

看看你能不能听懂美国蚜虫繁殖策略。

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

半翅类昆虫就具有这样刺吸式口器，其中包括臭虫、蝉、蚜虫、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蚜虫，或者追赶富有花蜜丰富植物花期。

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

一种是向蚜虫、蜘蛛螨、蓟马和粉虱等软体昆虫喷洒肥皂水。

The young aphids that hatch are all female.

孵化出来蚜虫幼虫都是雌性。

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

在春天，雌性蚜虫会产卵，卵会孵化 —— 破壳让幼虫出来。

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

这种奇妙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。