Pogonomyrmex brevibarbis longiceps Santschi, 1917 junior synonym of current valid taxon Pogonomyrmex brevibarbis silvestrii Emery, 1906
Pogonomyrmex brevibarbis st. longiceps Santschi, 1917f: 277 (w.) ARGENTINA (San Juan). Neotropic.
Primary type information: Type-material: syntype workers (number not stated). Type-locality: Argentina: San Juan, Pocitos (A. Brasco). Type-depository: MLPA, NHMB.
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