Eciton pachycerus Smith, 1858 an obsolete combination of Aenictus pachycerus (Smith, 1858)
Eciton pachycerus Smith, 1858a: 153 (w.) INDIA. Indomalaya.
Primary type information: Primary type material: syntype workers (number not stated). Primary type locality: “Hab. South America?”: (no further data) (Hardwick). Primary type depository: BMNH. Type notes: Bingham, 1903: 21, gives the type locality as India.