Tantaliana nigristriata is a moth in the Eupterotidae family. It was described by Janse in 1915. It is found in South Africa, where it has been recorded from Mpumalanga and KwaZulu-Natal. The wingspan is about 102 mm. The forewings are light pinkish-cinnamon, broadly suffused, especially on the basal and the costal area, with glossy fuscous-black. The reniform is distinct, in- and out-wardly confined by a sub-triangular black suffusion. The medial line is fuscous, curved outwards from the costa to vein seven, then straight to vein two, then slightly bent inwards to vein one, then indistinct to the inner margin. The postmedial line is double, fuscous and nearly straight, waved inwards on veins one to nine. The sub-terminal line is less defined and of the ground colour, waved inwards on the