[1] It was described by Charles Edwin Clarke in 1934.This species is endemic to New Zealand and has been observed in and around Dunedin.

This species was first described by Charles Edwin Clarke in 1934 using two specimens collected on the face of Vauxhall Cliff at Andersons Bay in Dunedin.

[2] George Hudson discussed and illustrated this species in his book A supplement to the butterflies and moths of New Zealand.

Forewings elongate; costa moderately arched, apex rather acutely rounded, termen strongly oblique; purplish fuscous with 5 to 6 ochreous white fasciae from costa.

Basal one is at about 1⁄6 outwardly oblique, second at 1⁄3 inwardly oblique, the third at 1⁄2 broken in centre of wing after waving outwardly, then inwardly to dorsum, the fourth at 2⁄3 more straight to dorsum, but sometimes broken and spotted with purplish, fifth and sixth close together before apical patch, outwardly oblique; cilia dark fuscous.