Polistes modestus Smith, 1862:38, ♀. ♀, Panama; Bequaert, 1937Bequaert, J. 1937. The american Polistes with prepectal suture. Their structural characters, distribution and variation. Archivos del Instituto de Biología Vegetal, Rio de Janeiro 3 (2):171-205.:200 (British Museum); Richards, 1978Richards, O.W. 1978. The social wasps of the Americas excluding the Vespinae. British Museum (Natural History), London. 1-567.:549, Holotype ♀, examined (BMNH). - Dalla Torre, 1894Dalla Torre, C.G. 1894. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, IX. Vespidae (Diploptera). Guilelmi Engelmann, 181. (distribution); Maes, 1999 1999. Catalogo de los insectos y artropodos terrestres de Nicaragua. Volumen III. León, Nicaragua. 1170-1898.:1756 ( listed as synonym of Polistes pacificus Fabricius, 1804). - As Polistes pacificus modestus: - Bequaert, 1937Bequaert, J. 1937. The american Polistes with prepectal suture. Their structural characters, distribution and variation. Archivos del Instituto de Biología Vegetal, Rio de Janeiro 3 (2):171-205. (distribution); Richards, 1978Richards, O.W. 1978. The social wasps of the Americas excluding the Vespinae. British Museum (Natural History), London. 1-567. (distribution).