Propodeal spines present or absent. Subpetiolar process present or absent. Eyes small, each with several facets. Petiolar node relatively lower than in soldiers. Oligomyrmex comprises around 100 described species and is distributed almost worldwide, with most species in the African and Oriental tropics.
Many species are terrestrial, nesting in leaf-litter, rotting wood, tree stumps or under stones.
Five are treated here. Editor of the descriptions Original text by Mamoru Terayama and Kazuo Ogata. English translation by Mamoru Terayama, edited by Robert W. Taylor.