Boston University researchers study Dracula ant brain development
Boston University scientists published new findings on Stigmatomma pallipes ant behavior in Proceedings of the Royal Society B.
Early hunting without transition period
Most ant workers care for young inside the nest before they start foraging outside. The Dracula ant species Stigmatomma pallipes begins hunting immediately upon reaching adulthood without this usual change in role. These insects can pierce their developing young to drink hemolymph.
Brain regions grow during pupal stage
Researchers found that specific brain areas reach their largest size while the ants are still immature. This growth happens during the pupal stage when the insects transition into adulthood. The study suggests this early brain development explains their readiness for work.
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