Synonymized with Polyptychus trilineatus as a subspecies by Cadiou & Holloway, 1989, Lambillionea 89: 131. Treated as a species by Bridges, 1993, Cat. Fam. Gen. Spec. Sphingidae of the World: VIII.20. Resynonymized with Polyptychus trilineatus as a subspecies by Inoue et al., , Moths of Thailand 2: 41. Reinstated as a species by Melichar, Haxaire & Manjunatha, 2021, European Ent. 13 (1): 13.