Smerinthus decoratus Moore, 1872, Proc. zool. Soc. Lond. 1872: 568. Type locality: [India,] Sikkim.
Synonym. Smerinthus decoratus Moore, 1872.
Synonym. Marumba decoratus indochinensis Gehlen, 1933.
Synonym. Mimas strigfenestra Zhu & Wang, 1997.
Wingspan: 72mm. Female dark olive-brown. Forewing with outer margin highly excised between veins M1 and R5 and much angulated towards outer angle; suffused with pale pink. A large irregular median brown patch is present, bordered with pink on costa and partly including a pale reniform spot, beneath which is a dark brown 'inverted comma'-shaped mark. With two curved postmedian pink lines, the inner one waved near the inner margin; some diffused brown streaks near outer angle; a triangular brown-edged patch on costa before apex, with a short white streak below it. Hindwing with a broad black and narrow pink streak near anal angle (Bell & Scott, 1937).
China: 18.vii (Yunnan).
Larval hostplants. Unknown.
China: Yunnan (Menghai, 950m; Mengla).
Nepal, northeastern India (Sikkim, Assam), southwestern China (Yunnan), northern Thailand, Laos (Champasak Province), Peninsular Malaysia and Indonesia (Sumatra).