Pereira, M.C., Firmino, E.L.B., Bernardi, R.C., Lima, L.D., Guimarães, I. de C., Cardoso, C.A.L. and Antonialli Junior, W.F. 2019. Dear Enemy Phenomenon in the Ant Ectatomma brunneum (Formicidae: Ectatomminae): Chemical Signals Mediate Intraspecific Agressive Interactions. Sociobiology. 66, 2 (Aug. 2019), 218–226. DOI:https://doi.org/10.13102/sociobiology.v66i2.3554.