Reference
James K. Wetterer, Xavier Espadaler, N. Philip Ashmole, Howard Mendel, Chris Cutler, Judith Endeman (2007): Ants (Hymenoptera: Formicidae) of the South Atlantic islands of Ascension Island, St Helena, and Tristan da Cunha. – Myrmecological News = Myrmecologische Nachrichten – 010: 29 - 37.