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

一项评估发现，50% 的切叶和 27% 的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.

博物馆运来了大约50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.

博物馆运来了大约 50 只切叶蚁，在昆虫区建立了一个蚁群。

The first involved is our soon-to-be queen leafcutter ant.

第一个涉及的是我们即将成为蚁后的切叶蚁。

More than 10 million years ago, leafcutter ants domesticated fungus.

超过 1000 年前，切叶蚁驯化了真。

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，大到大象，到南美切叶蚁以及各种爬虫和各种青蛙。

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味，它们在真花园里嬉戏和觅食，大部分时间未被发现。

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，由数百工人组成， 并且可以在一夜之间将一棵树的叶落尽。