All Cretaceous ants, including hell ants, had a metapleural gland.

所有白垩纪的蚂蚁，包括地狱蚂蚁，都有一个后胸膜腺。

Another piece of evidence scientists look at is the presence of a metapleural gland that most ants have today.

科学家们关注的另一项证据是今天大多数蚂蚁都拥有的后胸腺。