Somavilla, A. and Andena, S. R. (2019) “A New Species of the Swarming Social Wasp Chartergellus Bequaert, 1938 (Vespidae: Polistinae: Epiponini) from Acre, Brazil”, Sociobiology. Feira de Santana, Brazil, 66(4), pp. 602–605. doi: 10.13102/sociobiology.v66i4.4601.