Polyrhachis omissa Rigato, 2016: 34, figs. 11a-c (w.q.m.) SOMALIA, YEMEN, ETHIOPIA, KENYA. Afrotropic.

Primary type information: Primary type material: holotype worker. Primary type locality: Somalia: Balad, 28.ix.1986 (L. Bartolozzi). Primary type depository: MSNM. Secondary type information: Secondary type material: 10 paratype workers, 28 paratype queens, 1 paratype male. Secondary type localities: 7 paratype queens, 1 paratype male Yemen: Sokna (Tihama), 200 m., 20.viii.1965 (G. Scortecci), 1 paratype queen Ethiopia: da Dimé al Bass Narok, viii-ix.1896 (V. Bottego), 1 paratype worker Ethiopia: Sagan-Omo, Banno, 10.v.1939 (E. Zavattari), 3 paratype queens Ethiopia: Sagan-Omo, Caschei, 6.vii.1939 (E. Zavattari), 1 paratype queen Somalia: “M. Umberto I”, iii.1892-93 (E. Ruspoli), 2 paratype queens Somalia: Ganana, iii.1892-93 (E. Ruspoli), 1 paratype worker Somalia: Boran Galla, Medio Ganale, vi.1893 (V. Bottego), 3 paratype workers Somalia: Basso Ganana, vii.-viii.1893 (V. Bottego), 2 paratype queens Somalia: Eil (Nogal), iii.-iv.1938 (S. Venzo), 1 paratype queen Somalia: Eil (A. Falzoni), 2 paratype queens Somalia: Gardo, 810 m., 21.x.1857 (G. Scortecci), 2 paratype queens as last but 22.x.1957, 2 paratype queens Somalia: Afgoi, v.1972 (L. Masutti), 1 paratype worker Somalia: Afgoi, 2.x.1986 (L. Bartolozzi), 1 paratype worker, 1 paratype queen Kenya: Mackinnon (30 km. ca NNW Mombasa), ix.1946 (Meneghetti), 3 paratype workers Kenya: Malindi, xii.1993 (R. Regalin), 4 paratype queens Kenya: Archer’s Post, Uaso Nyiro River, 2300 ft, 6.xii.1969 (M.E. Irwin & E.S. Ross). Secondary type depositories: CASC, MSNG, MSNM. Secondary type specimen: CASENT0905832.