Species: Pogonomyrmex sp. RAJ-lagu (unpublished manuscript name; name not to be used)
Holotype worker: ARGENTINA , La Rioja Province: Departamento Vinchina, Rt 76 at 64.5 km NW Alto Jagüé, 28º26.0'S 68º50.6'W, 12,620' (3825 m), 2 January 2006 (R.A. Johnson #3739) [MACN]. Paratypes, same data as holotype: CASC (1w, 1 ergatoid queen), FML (3w), LACM (3w), MACN (13 w, 2 ergatoid queens), MCZ (3w), RAJC (12w, 10 ergatoid queens), UCDC (2w), USNM (3w). Additional paratype series from the same locality and date - RAJ #3737: MACN (3w), RAJC (3w); RAJ #3738: MACN (6w), RAJC (6w).
Etymology: The specific epithet, lagunabravensis, is derived from this species being found in the vicinity of Reserva Laguna Brava, La Rioja Province, Argentina.
Species description: (from RAJ revision)
Other literature: None
Photos of all castes: holotype worker, worker, ergatoid queen, ergatoid male