在野外，它们是合作的群居物种。

In the wild, they are a co-operative, group-living species.

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或者以非常罕见的群居寄生虫形式生活在其他物种巢穴中的蚂蚁。

Or existing as very rare social parasites in the nests of other species.

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或者以非常罕见的群居寄生虫形式生活在其他物种巢穴中的蚂蚁。

Or existing as very rare social parasites in the nests of other species.

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