Mateus, Sidnei, Fabio Santos Nascimento, Marcos Aragão, and Sergio Ricardo Andena. 2015. “A New Species of the Neotropical Social Swarming-Wasp Chartergellus Bequaert (Hymenoptera: Vespidae: Epiponini)”. Sociobiology 62 (1). Feira de Santana, Brazil:105-8. https://doi.org/10.13102/sociobiology.v62i1.105-108.