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Detail of the tunnels and fungus chambers found in the first Atta capiguara nest: (A) arrangement of the chambers along one of the branching tunnels lateral to the main tunnel; (B) detail of the main tunnel interconnected by chambers and by a branching tunnel; (C) detail of fungus chambers connected to their interconnecting tunnels (peduncles) which, in turn, connect to the main tunnel. Botucatu, SP. Black bars = 0.50 m.
