Gracilidris pomberoGracilidris pombero is a species of ant in the genus Gracilidris. Described by Wild and Cuezzo in 2006, the species is endemic to the South American countries of Argentina, Brazil and Paraguay.EtymologyIn Guarani mythology, Pombero is a mythical humanoid creature that is nocturnal, and this is a reference to the ants' nocturnal behaviour.