Proposed as a subspecies of Cypa pallens. Synonymized with Cypa pallens brooksi by Diehl, 1982, Heterocera Sumatrana 1: 28. Erroneously treated as a subspecies of Cypa pallens by Bridges, 1993, Cat. Fam. Gen. Spec. Sphingidae of the World: VIII.5. Reinstated as a species by Kitching & Cadiou, 2000, Hawkmoths of the world: 42.
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith
