Octostruma stenognatha Brown & Kempf

Longino, John T, 2013, A revision of the ant genus Octostruma Forel 1912 (Hymenoptera, Formicidae), Zootaxa 3699, pp. 1-61 : 51

Octostruma stenognatha Brown & Kempf , 1960

(Figs 1E, 3D, 42)

Octostruma stenognatha Brown & Kempf , 1960: 196, figs. 25, 28. Holotype worker: Brazil, Sào Paulo, Agudos, 23 Jan 1955, in soil cover berlesate from very moist forest (W. W. Kempf, No. 1334) [MZSP] (not examined). Paratype workers, worker intercastes: same data as holotype; Sào Paulo, Cantareira, 1 Mar 1959 (Kempf & Santos); Rio de Janeiro, Itatiaia (J. F. Zikân, Coll. Borgmeier); Santa Catarina, Nova Teutonia, 27° 11' S, 52° 23' W, Aug 1952 (F. Plaumann) [MCZC] (examined). Paratype queen not examined.

Geographic range. Southern Brazil.

Comments. Octostruma stenognatha, O. batesi , and O. betschi are all similar in size and head shape and possibly form a clade. Although geographic coverage is poor, the known specimens form an allopatric or parapatric replacement series in South America.