The larvae construct a case made from silk, moss and lichens and emerge from it to feed.

[5] 1928 George Hudson discussed and illustrated this species in his 1928 book The butterflies and moths of New Zealand.

[6] The male lectotype specimen, collected at Ben Lomond in Otago, is held at the Natural History Museum, London.

[7] When the female emerges from their larval case, she clings to it and emits a pheromone to attract a mate.

[7] Hudson stated that he captured adult specimens of this species in the early morning.