Trachypepla importuna is a species of moth in the family Oecophoridae that was first described by Edward Meyrick in 1914. It is endemic to New Zealand. Adults have been collected in the North Island in January but the species is regarded as being poorly known.
This species was first described by Edward Meyrick in 1914 using specimens collected by George Hudson in January at Ohakune and Wellington. Hudson discussed this species in his book The butterflies and moths of New Zealand. The lectotype specimen, collected at Ohakune, is held at Natural History Museum, London.
Meyrick described this species as follows:
This species is endemic to New Zealand. In Wellington it is regarded as being local and uncommon.
Adults of this species are on the wing in January. It is regarded as being poorly known.