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险之中。

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，昆立了一个落。

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，昆立了一个蚁。

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

现实生活中看到切叶蚁，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.

这意味着，到象，小到南美切叶蚁以及各种小爬和各种小青蛙。

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

切叶蚁巢内，它们是卧底：模仿蚂蚁的标志性气味，它们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，切叶蚁落覆盖了数米长的地下隧道，由数百万工人组成， 并且可以一夜之间将一棵树的叶落尽。