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Behavioral evaluation of the worker ants of A. cephalotes during the deconta­mination of the fungus garden indicates that the task of cleaning (to prune the garden and to take out the spores of the contaminant fungus) by the median and minimum workers was critica] in the decontamination of the symbiotic fungus when the spore concentration was 103 and 106 spores/ml. When a high concentration (108 spores/ml) of T. lignorum (T-26) was used, the mortality of the worker ants was detected, which probably were intoxi­cated by taking some element produced by the antagonist, therefore decontamination of the garden was not accomplished.

ORTIZ, A., MADRIGAL, A., & ORDUZ, S. (1999). Behavior evaluation of the Atta cephalotes ants (Hymenoptera: Formicidae) during the contamination of the fungus garden with Trichoderma lignorum. Revista Colombiana De Entomología, 25(2), 169–177. https://doi.org/10.25100/socolen.v25i2.9770