Polyrhachis (Polyrhachis) ypsilon var. mindanaensis Emery, 1923a: 62 (w.) PHILIPPINES (Mindanao I.). Indomalaya.

Primary type information: Primary type material: lectotype worker (by designation of Hung, 1970: 20). Primary type locality: lectotype Philippines: Mindanao, Zamboanga (W. Schultze). Primary type depository: MSNG. Secondary type information: Secondary type material: 1 paralectotype worker. Secondary type locality: same as for lectotype. Secondary type depository: MSNG. Type notes: Original description cites 8 worker syntypes.