Izatha lignyarchaIzatha lignyarcha is a moth of the family Oecophoridae. This species was first described in 2010. It is endemic to New Zealand.TaxonomyThis species was first described by Robert Hoare in 2010. The holotype specimen, collected at the Stratford Plateau at Mount Taranaki, is held at Te Papa.DescriptionThe wingspan is 24.5–30 mm for males and 24–31 mm for females.DistributionThis species has been collected at higher altitudes on the North Island volcanoes, as well as in Taupō and Masterton.BehaviourAdults have been recorded on the wing from October to February.