collected in the Paparoa Range on the West Coast. Specimens have also been collected at Mount Richmond, near Nelson, at Hanmer Springs and there has been one recorded occurrence in the Otago Lakes area. Habitat This species frequents alpine areas. Behaviour I. fibriata adults are on the wing in November to January. Life history and host species The life history of this species is unknown as are the host species of its larvae. References Moths described in 1913 Hadeninae Moths of New Zealand Endemic fauna of New Zealand Taxa named by Edward Meyrick Endemic moths of New Zealand