Acromyrmex bucki Wasmann, 1931 junior synonym of current valid taxon Acromyrmex lobicornis (Emery, 1888)
Acromyrmex bucki Wasmann, 1931: 106 (w.) BRAZIL (Rio Grande do Sul). Neotropic.
Primary type information: Primary type material: syntype workers (number not stated). Primary type locality: Brazil: Rio Grande do Sul, Porto Alegre (P. Buck). Primary type depository: MZSP (probably also NHMM). Primary type specimens: MZSP0083729, MZSP0090426. Type notes: 1) Type specimens are in MZSP (Ulysséa et al., 2025: 9). 2) Ulysséa et al., 2025: Table S1, cite 4 syntype workers in MZSP.
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