[1] This species has wings with brown tips, but female samples often only have basal spots on the wings.

For the hind wings the red-yellow color is somewhat more widespread, diffuse anteriorly and not very sharp up to the 1st antenodal transverse artery and on or a little over the transverse artery of the submedian space [2] Erythrodiplax unimaculata was first described by Charles De Geer in 1773.

[3] Monophyly has not yet been determined[4] Observation of Erythrodiplax unimaculata have been documented in Brazil,[2][5] Colombia[6] and Peru.

[4] Observations aggregated in the Global Biodiversity Information Facility suggest a more wide spread range in the northern have of South America.

This article related to Libellulidae is a stub.