Stigmatomma zaojun

Identification
This species resembles Stigmatomma silvestrii (Wheeler, 1928) from Japan, Taiwan, Korea and China, and Stigmatomma octodentatum Xu, 2006, from China (Yunnan Province) but is easily separated from the latter two by the large body size (HL 1.15 mm, HW 1.10 mm, whereas ca. 0.85 mm and 0.70 mm in silvestrii worker and 0.93 mm and 0.80 mm in octodentatum worker, and the wide head with convex lateral margins, and the developed genal teeth.

Distribution based on Regional Taxon Lists
Oriental Region: Taiwan.

Nomenclature

 *  zaojun. Amblyopone zaojun Terayama, 2009: 94, figs. 10, 11 (w.) TAIWAN. Combination in Stigmatomma: Yoshimura & Fisher, 2012: 19.