This species if found in the South Island and has been observed in the Saint Arnaud Range, around Arthur's Pass and in the Oteake Conservation Park.
Forewings triangular, apex obtuse, termen bowed, oblique; dark fuscous, densely irrorated with yellow; lines narrow, white, sometimes yellow-tinged; a basal line anteriorly broadly margined with black, curved, distinct, slightly irregular; first line strongly curved, irregular, posteriorly margined with black; a black discal dot; an obscure irregular yellow median line; second line anteriorly broadly margined with black and followed by narrow yellow margin indented above and below middle; subterminal irregular, dilated on costa and at middle, yellowish above dorsum : cilia white, prominently barred with blackish.
Undersides reproducing markings of upper surfaces but with the lines much broader and the basal area of costa suffused with clear yellow.
[6][7] Other than its type locality of the Saint Arnaud Range, the species has also been found at Arthur's Pass and the Oteake Conservation Park.
[2] Larvae in the genus Notoreas feed on woody plants in the genera Kelleria and Pimelea (daphe family).