Eciton (Acamatus) modestum Borgmeier, 1933d: 165 (w.) BRAZIL (Rio de Janeiro). Neotropic.

Primary type information: Primary type material: holotype worker. Primary type locality: Brazil: Rio de Janeiro, Mendes, ix.1933, no. 47a (H. Eidmann). Primary type depository: IBVR. Secondary type information: Secondary type material: paratype workers (number not stated, “numerous”). Secondary type locality: same as for holotype. Secondary type depositories: MCZC, MHNG, MSNG, MZSP, NHMB, SMF. Type notes: Baroni Urbani, 1977e: 70, cites 7 worker syntypes in NHMB.