The new sp. is described from the Sierra de Chiribiquete of Colombian Amazonia. Holotype 6: Colombia, Sierra de Chiribiquete, Puerto Abeja, 5-VII-1996; to be deposited in USNM, Washington, DC, It belongs to the modesta group of G.H. Bide & J.C. Bide (1991, Odonatologica 20: 453-458), and can be distinguished from all other Polythoridae by transverse gold bands on the hind wings.