An unmistakable species, characterized by the green band along the costal margin of the forewing upperside, the falcate apex of the forewing and the pair of deep golden lateral stripes on the abdomen. Labial palp segment 2 more triangular than in other Theretra species; opening between segments 1 and 2 large, with some single long scales protruding. Outer row of forebasitarsal spines doubled and tripled.
Male genitalia: Uncus sinuate. Gnathos slightly spatulate, rounded apically.Valve with about 20 large stridulatory scales. Harpe very stout, short, upcurved apically; upperside somewhat concave, outer-dorsal edge irregularly notched, elevated proximally into a broad, compressed tooth; apex acute in lateral view, obtuse in subproximal view. Phallus with an elongate, reniform, multidentate, apical lobe.
Female genitalia: Edge of ostium bursae not obviously raised into a ridge.