Chartergus griseus Fox, 1898:458, ♀. 9 ♀♀, Mararu; Santarem (leg. H. Smith); Richards, 1978Richards, O.W. 1978. The social wasps of the Americas excluding the Vespinae. British Museum (Natural History), London. 1-567.:213, Types ♀ (ANS, Philadelphia). - As Parachartergus griseus: - Richards, 1978Richards, O.W. 1978. The social wasps of the Americas excluding the Vespinae. British Museum (Natural History), London. 1-567. (distribution).
Parachartergus bentobuenoi Ihering, 1904:129, Lectotype ♀, examined (Mus. Paulista), designated by Richards, 1978Richards, O.W. 1978. The social wasps of the Americas excluding the Vespinae. British Museum (Natural History), London. 1-567.:213. - Richards, 1978Richards, O.W. 1978. The social wasps of the Americas excluding the Vespinae. British Museum (Natural History), London. 1-567.:213 ( listed as synonym of Parachartergus griseus (Fox, 1898)).
Chartergus trichiosomus Cameron, 1912:219, ♀. ♀, British Guiana (Georgetown Museum); Richards, 1978Richards, O.W. 1978. The social wasps of the Americas excluding the Vespinae. British Museum (Natural History), London. 1-567.:213, Type ♀, examined (BMNH). - Richards, 1978Richards, O.W. 1978. The social wasps of the Americas excluding the Vespinae. British Museum (Natural History), London. 1-567.:213 ( listed as synonym of Parachartergus griseus (Fox, 1898)).