N. L. Hites, M. A. Mourão, F. O. Araújo, M. V. Melo, J. C. de Biseau, and Y. Quinet, “Diversity of the ground-dwelling ant fauna (Hymenoptera: Formicidae) of a moist, montane forest of the semi-arid Brazilian ‘Nordeste’”, Rev. Biol. Trop., vol. 53, no. 1-2, pp. 165–173, Jun. 2005.