Octostruma stenognatha Brown & Kempf, 1960: 196, figs. 25, 28 (w.q.) BRAZIL (São Paulo). Neotropic.

Primary type information: Primary type material: holotype worker. Primary type locality: Brazil: São Paulo, Agudos, 23.i.1955, No. 1334, soil cover berlesate, very moist forest (W.W. Kempf). Primary type depository: MZSP. Secondary type information: Secondary type material: 33+ paratype workers, 1+ paratype queens, 4+ ergatoid queens (numbers not stated, “14 different nest series from 4 different localities”). Secondary type localities: paratypes: Brazil: unstated number with same data as holotype, Rio de Janeiro, Itatiaia (J.F. Zikan), São Paulo, Cantareira Mts, nr São Paulo, ii.-iii.1959 (Kempf & dos Santos), São Paulo, Agudos, i., iii., xi. and xii.1955 (W.W. Kempf), Paraná, Rio Azul, x.1959 (F. Plaumann), Santa Catarina, Nova Teutonia, 1954-1959 (F. Plaumann), Santa Catarina, Seara, vii.-viii.1958 (F. Plaumann), Santa Catarina, Xaxim, xii.1957 (F. Plaumann), Santa Catarina, Passo Bormann, xii.1957 (F. Plaumann), Santa Catarina, Chapecó, xii.1957 (F. Plaumann), Santa Catarina, Ibicaré, vii.1959 (F. Plaumann), Rio Grande do Sul, Tainhas, iv.1959 (F. Plaumann), Rio Grande do Sul, Nova Petrópolis, xi.1959 (F. Plaumann). Secondary type depositories: MCZC, MZSP, USNM.