Worker ants tend to pupae and small larvae in a colony of clonal raider ants, Ooceraea biroi.
PHOTOGRAPH BY DANIEL KRONAUER

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Worker ants tend to pupae and small larvae in a colony of clonal raider ants, Ooceraea biroi.
PHOTOGRAPH BY DANIEL KRONAUER
Whether an ant becomes a worker or colony royalty may depend on insulin metabolism.
SCIENCE SATURDAY