Octostruma stenognatha Brown & Kempf, 1960: 196, figs. 25, 28 (w.q.) BRAZIL (São Paulo, Rio de Janeiro, Paraná, Santa Catarina, Rio Grande do Sul). 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: unstated number with same data as holotype, Brazil: Rio de Janeiro, Itatiaia (J.F. Zikan), Brazil: 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), Brazil: Paraná, Rio Azul, x.1959 (F. Plaumann), Santa Catarina, Nova Teutonia, 1954-1959 (F. Plaumann), Santa Catarina, Seara, vii.-viii.1958 (F. Plaumann), Santa Brazil: 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), Brazil: 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. Type notes: Brown & Kempf, 1960 add that some paratypes are “elsewhere”, without specification.