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。
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