Polyrhachis lao Jaitrong & Yamane, 2023: 303, figs. 1B, 6, 10 (w.) LAOS. Indomalaya.

Primary type information: Primary type material: holotype worker. Primary type locality: Laos: Vientiane Province, Naxythong District, Sivilay Village, 18º15′′N, 102º27′E, 9.vi.2010, LA10-SKY-021 (Sk. Yamane). Primary type depository: THNHM. Primary type specimen: THNHM-I-00027051. Secondary type information: Secondary type material: 13 paratype workers. Secondary type locality: 5 paratype workers with same data as holotype; 8 paratype workers with same data as holotype except from dead wood, WJT10-LAO-42 (W. Jaitrong). Secondary type depositories: SKYC, THNHM. Secondary type specimens: THNHM-I-00027052 to THNHM-I-00027062, SKY090610-1, SKY090610-2.