Laboratory colonies of the leaf‐cutting ants Atta sexdens feed daily with leaves of Ipomoea batatas s howed ant mortality and a significant decrease in the size of the fungal garden after the second week, with complete depletion of nests after 5 weeks of treatment. The mean oxygen consumption rate of these ants was higher than the control (ants collected from nests feed with leaves of Eucalyptus alba ), suggesting a physiological action of the leaves of I. batatas on the ants in addition to the effect of inhibiting the growth of the fungal garden.
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Hebling et al. (2000) studied this question.
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