Octostruma rugifera (Mayr, 1887)
(Figs 6A, 44)
Rhopalothrix rugifer Mayr 1887: 579. Syntype workers: Brazil, Santa Catarina [NMW?] (not examined). Combination in Octostruma: Brown 1949: 92. See also Brown & Kempf, 1960: 199.
Rhopalothrix (Octostruma) truncata Forel 1912: 196. Holotype queen: Brazil, Rio de Janeiro: Corcovado (Dr. Arth. Müller) [MHNG?] (not examined). Combination in Octostruma: Brown 1949: 92. Junior synonym of Octostruma rugifera: Brown & Kempf, 1960: 199.
Geographic range. Southern Brazil, Colombia, Venezuela.
Comments. Palacio (1997) reports a Colombian record, incorrectly reported as " rugiferoides (Mayr 1887)". Specimens from Brazil and Venezuela were directly compared, and no significant geographic variation was discovered.