Vicious queen ants use mob tactics to reach the top

Leptothorax acervorum ants' reproductive strategy depends on habitat. Colonies are functionally monogynous (only one queen reproduces) on sun-exposed slopes in Alaska, Hokkaido and the mountains of central Spain. New research demonstrates that queen ants fight by antennal boxing to become the reproductive queen, and that worker ants reinforce queen behavior by feeding dominant females and expelling, or killing, their weaker sisters.

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