Leafcutter Ant Colony (image) Smithsonian Tropical Research Institute Share Print E-Mail Caption A fungus-farming ant colony is a complex society with division of labor among many size classes. In this close-up, tiny nurse ants tending to white ant larvae are dwarfed by the queen ant in the upper right. All the ants feed upon protein-rich food produced by a white-grey fungus that they cultivate underground. The fungus decomposes fresh, leafy greens brought underground by leafcutters, which can defoliate whole trees to feed the colony. Credit Credit: Karolyn Darrow. Usage Restrictions Credit: Karolyn Darrow. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.