One assessment found that 50% of leafcutter bees and 27% of mason bees are considered at risk.

一项评估发现，50% 的切叶蜂和 27% 的石匠蜂被认为处于危。

The museum shipped in around 500,000 leafcutter ants to build a colony in the insectarium – or insect area.

博物馆运来了约50万只切叶蚂蚁，在昆虫区建立了一个群落。

The museum shipped in around 500,000 leafcutter ants to build a colony in the insectarium — or insect area.

博物馆运来了约 50 万只切叶蚁，在昆虫区建立了一个蚁群。

I saw leafcutter ants in real life, and I just went, " Oh."

我在现实生活看到切叶蚁，我只是说，“哦。”

So that's anywhere from the elephants down to the leafcutter ants and all the little reptiles and all the little frogs.

这，到象，小到南美切叶蚁以及各种小爬虫和各种小青蛙。

Inside the leafcutter nest, they're undercover: closely mimicking the ants' signature scent, they frolic and feed in the fungal gardens, mostly undetected.

在切叶蚁巢内，它们是卧底：模仿蚂蚁的标志性气，它们在真菌花园里嬉戏和觅食，部分时间未被发现。

Eventually, the leafcutter colony covers several meters of underground tunnels, comprises millions of workers, and can defoliate a tree in a single night.

最终，切叶蚁群落覆盖了数米长的地下隧道，由数百万工人组成， 并且可以在一夜间将一棵树的叶落尽。