Eciton (Acamatus) californicum var. obscura Forel, 1914d: 265 (w.) U.S.A. (California). Nearctic.

Primary type information: Primary type material: lectotype worker (by designation of Ward, 1999a: 76). Primary type locality: lectotype U.S.A.: S California, Vista (E. Hindle). Primary type depository: MHNG. Secondary type information: Secondary type material: 1 paralectotype worker. Secondary type locality: same as for lectotype. Secondary type depository: MHNG.