Oxyepoecus plaumanni Kempf, 1974b: 492, figs. 27-30 (w.q.) BRAZIL (Rio Grande do Sul). Neotropic.

Primary type information: Primary type material: holotype worker. Primary type locality: Brazil: Rio Grande do Sul, Erechim, vii.1960, no. 8097 (F. Plaumann). Primary type depository: MZSP. Secondary type information: Secondary type material: 38 paratype workers, 7 paratype queens. Secondary type localities: 17 paratype workers with same data as holotype, 1 paratype worker Rio Grande do Sul, Barão de Cotojipe, vii.1960 (F. Plaumann), 1 paratype worker Rio Grande do Sul, Boqueirão, ix.1960 (F. Plaumann), 1 paratype worker Rio Grande do Sul, Tainhas, iv.1959 (F. Plaumann), 9 paratype workers, 2 paratype queens Brazil: Santa Catarina, Chapecó, vi.1960, vii.1960, viii.1960 (F. Plaumann), 2 paratype workers Santa Catarina, Ibicaré, ix.1960 (F. Plaumann), 2 paratype workers, 3 paratype queens Santa Catarina, Nova Teutonia, vi.1960, xii.1972 (F. Plaumann), 1 paratype queen Santa Catarina, Paso Bormann, xii.1957 (F. Plaumann), 1 paratype worker, 1 paratype queen Brazil: Paraná, Porto Vitória, x.1959 (F. Plaumann), 4 paratype workers Paraná, Rio Azul, x.1959 (F. Plaumann). Secondary type depository: MZSP. Secondary type specimens: MZSP0088509, Coll. Kempf 3247; MZSP0088515, Coll. Kempf 9883; MZSP0088506, Coll. Kempf 8097; MZSP0088507, Coll. Kempf 8097; MZSP0088508, Coll. Kempf 9930; MZSP0088521, Coll. Kempf 8091. Type notes: Ulysséa et al., 2025: 12, Table S1, cite paratypes in MZSP: MZSP0088509, Coll. Kempf 3247 (lost); MZSP0088515, Coll. Kempf 9883 (2w present, 1w lost); MZSP0088506, Coll. Kempf 8097 (3w + 1w with just a leg remaining); MZSP0088507, Coll. Kempf 8097 (3w + 1w with just a leg remaining); MZSP0088508, Coll. Kempf 9930 (2w + 1w with just a leg remaining); MZSP0088521, Coll. Kempf 8091 (2w + 1w with just a leg remaining).