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纵横人类世界的蚊子:埃及伊蚊 – 译学馆
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纵横人类世界的蚊子:埃及伊蚊

This Dangerous Mosquito Lays Her Armored Eggs – in Your House | Deep Look

《微观深望》
This mosquito is quite the looker,
埃及伊蚊非常漂亮
with her elegant legs and flashy white markings.
拥有优美的长腿和显眼的白斑
But she’s dangerous.
不过却很危险
To make her incredibly resilient eggs,
为了繁殖其适应力极强的蚊卵
this Aedes aegypti mosquito needs human blood.
埃及伊蚊需要人类的血液
And her bite could give
埃及伊蚊的叮咬
you an agonizing case of dengue fever.
可能会让人们患上极其痛苦的登革热
Or transmit the Zika virus, which can endanger babies in the womb.
或者 会传播能够危及胎儿的寨卡病毒
She feeds during the day.
埃及伊蚊在白天吸血
She really likes ankles.
特别喜欢脚踝的部位
While other mosquitoes live in the forest,
其他种类的蚊子在森林里繁衍生息
this one thrives where humans are.
而埃及伊蚊却在人类世界大肆繁殖
Aedes aegypti females
雌性埃及伊蚊
lay their eggs wherever water accumulates around our homes.
会在家里任何有积水的地方产卵
Her antennae can guide her to even the tiniest pockets of water.
即使再少量的积水 也无法逃过其触须的感知
Many mosquitoes lay their eggs directly on the water’s surface, all at once in a clump.
许多蚊子会直接在水面上成堆产下所有的卵
But our Aedes aegypti hedges her bets.
但埃及伊蚊却会多处下注降低风险
She lays an egg here, an egg there,
它这里产一枚卵 那里产一枚卵
carefully gluing each one
小心翼翼地将每一枚卵都
above the water line.
黏在水位线以上的地方
The eggs need to stay moist for the first three days to develop.
这些蚊卵 在发育最初的三天里需要保持湿润
At the same time, they darken and harden.
蚊卵与此同时会变黑变硬
Their outside layer, the chorion,
蚊卵表层的卵壳
turns into a thick protective shell.
会变成一层厚厚的保护壳
The eggs end up looking a lot like dirt.
蚊卵最后看起来会很像泥土
And they’re amazingly hardy.
这些蚊卵的适应能力极强
Unlike many mosquitoes’ eggs, which die out
即使缺水也能存活长达半年
without water, these can stay viable for up to half a year.
而不像其他蚊卵缺水就会死亡
It’s an incredible way
这是一个非常棒的方式
to survive a drought and
蚊卵能借此从干旱中幸存下来
to spread around the world.
并借此在世界各地传播
When the eggs meet water again
当蚊卵再次遇到水时
– like when it rains or someone fills that pot –
比如 当下雨或花盆被灌满水时
tiny larvae hatch.
孑孓就会孵化
A special waxy layer
一种特殊的蜡质层
kept them from drying out inside.
能让孑孓在卵内保持水分
Before you know it, you have a larvae party.
转眼之间 大量孑孓就破卵而出了
That’s why the best way to keep dengue mosquitoes from making a home in yours
因此 要防止埃及伊蚊在屋子里安家
is to empty standing water every week.
最好的办法就是每周都要清理死水
If not, the larvae will flourish:
否则 孑孓会茁壮成长
breathing through their siphons, diving for food.
它们能通过呼吸管换气 能下潜进行觅食
This is one party you want to break up as soon as you can.
而这样的孑孓聚会 你是绝对不想看到的
Hi. It’s Laura.
大家好 我是劳拉
At Deep Look we’re obsessed with parasites.
《微观深望》对寄生生物情有独钟
Here’s a playlist of our favorite
这张播放列表中 是我们最喜欢的
blood-sucking, stinging, zombifying episodes –
关于吸血 叮咬 让寄主成为僵尸的视频
including our most popular video so far:
包括了 我们目前最受欢迎的视频
“How Mosquitoes Use Six Needles to Suck Your Blood.”
《蚊子是如何用六根针来吸血的》
Thanks for watching!
谢谢观看

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视频概述

埃及伊蚊拥有适应力极强的蚊卵,是纵横人类世界的蚊子。

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视频来源

https://www.youtube.com/watch?v=1T9jgBnXXvw

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