Key to Pristomyrmex of China

This worker key is based on Xu, Z.; Zhang, Z. 2002. Systematics of Chinese species of the ant genus Pristomyrmex Mayr (Hymenoptera: Formicidae). Entomol. Sin. 9(4):69-72.

1

 * Pronotum with a pair of spines or dents. Propodeum with a pair of short spines (China: Yunnan, Guangdong and Taiwan; Japan; Myanmar; Indonesia) . . . . . Pristomyrmex brevispinosus


 * Pronotum without spines and dents. Propodeum with a pair of long spines . . . . . 2

2
return to couplet #1
 * Inner margin of mandible without tooth. In dorsal view, apices of propodeal spines straight and sharp. In profile view, dorsum of petiolar node narrow and convex (China: Liaoning, Shandong, Jiangsu, Shanghai, Zhejiang, Anhui, Jiangxi, Hubei, Hunan, Guangdong, Guangxi, Hainan, Sichuan, Yunnan, Tibet; Japan; Philippines; Malaysia) . . . . . Pristomyrmex punctatus


 * Inner margin of mandible with a distinct tooth. In dorsal view, apices of. propodeal spines curved inward and hook-like. In profile view, dorsum of petiolar node broad and straight (China: Yunnan) . . . . . Pristomyrmex hamatus