Atta (Acromyrmex) laticeps var. dubia Forel, 1908: 350 (w.) BRAZIL (São Paulo). Neotropic.

Primary type information: Primary type material: syntype workers (number not stated). Primary type locality: Brazil: São Paulo (H. von Ihering). Primary type depositories: MHNG, MZSP. Primary type specimen: CASENT0909418 (MP 5366). Type notes: Ulysséa et al., 2025: Table 2, supply the corrected collection details from the handwritten catalogues at MZSP: MP 5366, 3.xi.[18]97, Atta (Acromyrmex) laticeps Em. var. dubia n. var. (Formicidae), Bicego (n. 54), La Plata, Forel det. Santschi det. 25: lundi var. dubia For.