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flag Butterfly caterpillars in northern Italy mimic ant queen signals using complex rhythms to gain entry into ant nests, revealing advanced insect communication.

flag A 2026 study reveals that certain butterfly caterpillars use complex rhythmic vibrations—including double meter and isochrony—to mimic ant queen signals, tricking ants into caring for them. flag Found in nine species in northern Italy, these precise rhythms help caterpillars gain access to ant nests for food and protection. flag Only ant-dependent species produce the intricate patterns, suggesting co-evolution. flag The findings show rhythm is a key part of cross-species communication, even in insects, challenging the idea that such complexity requires large brains.

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