Claim: The Tridrepana argentistriga forewings and hindwings are yellow and they have a dark brown line around the apex.
Evidence: The forewings are yellow, the outer half with pale red-brown suffusion. The hindwings are yellow, with an oblique antemedial line and a fine postmedial line. There is a dark red-brown line from before the apex to the middle of the inner margin, meeting a vertical line which becomes obsolete at the median.