Primary type information:
Primary type material: holotype queen. Primary type locality: Panama: Canal Zone, Barro Colorado I., 19.vii.1938, no. 1006 (E.C. Williams). Primary type depository: MCZC.
Secondary type information:
Secondary type material: paratype workers (number not stated, “a series….from two nests”). Secondary type locality: Panama: Barro Colorado I., 12.vi.1938, and 13.viii.1938, nos 754, 1149 (N.A. Weber). Secondary type depository: MCZC.