Anal appendages are pale blue or creamy white. The superiors are as long as segment 10, conical, and tapered at apices. The inferiors nearly twice the length of superiors. The inferiors are pale within, blackish-brown externally. In the related species, Copera marginipes, the superiors are half the length of segment 10 and inferiors are at least four times the length of superiors. The inferiors tipped with black beneath.
