The beetles are on the list of endangered species.

甲虫在濒危动物物种名单之上。

This trait is very important in correctly differentiating checkered beetles from Melyridae.

这一特征对正确区分格纹甲虫和金龟子科非常重要。

Darwin collected fossils and beetles.

达尔文收集化石和甲虫。

And the water beetles always swam behind him.

和水甲虫总是游在他后面。

Beetles are among the most ancient pollen carriers.

甲虫是最古老的花粉输送者。