what are the black ants doing?

(click to enlarge) What are the black leaf cutters ants (maybe “Acromyrmex spp.”) doing at the lemon tree? Aphid farming. “They protect the aphids, and in exchange they get to

Guayabas luego del invierno

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Video de la Charla con Degustación de frutales nativas en la Reserva Los Robles, Moreno