Ants exploit differences in body surface chemistry to distinguish nestmates from colony intruders. Socially parasitic ants in Madagascar have convergently evolved morphological similarities to host worker anatomy, implying that body shape may also be surveilled. Studies of tactile behaviors in ant societies are now needed.

中文翻译：

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演变：不断变化的社会寄生虫。

蚂蚁利用体表化学的差异来区分巢友和殖民者。马达加斯加的社交寄生蚁已融合进化出形态相似性，以容纳工人的解剖结构，这暗示着也可以监视身体形状。现在需要研究蚂蚁社会的触觉行为。