pittieri. Leptothorax pittieri Forel, 1899c: 56 (w.) COSTA RICA. Kempf, 1959c: 411 (q.). Combination in L. (Goniothorax): Emery, 1924d: 250; in L. (Nesomyrmex): Kempf, 1959c: 411; in Nesomyrmex: Bolton, 2003: 272.