Ectomomyrmex zhengi valid China (Yunnan). Palearctic. Xu, Z. 1995b ("1994"). A taxonomic study of the genus Pachycondyla Smith in China (Hyminoptera [sic]: Formicidae: Ponerinae). Pp. 103-112 in: Xi, G.; Liu, Z.; Xu, S. (eds.) 1995. Entomological research. First issue. A collection of research papers commemorating 40 years of teaching by Professor Zheng Zhemin. [In Chinese.]. Xi'an: Shaanxi Normal University Press, 239 pp. 130503