Kingdom:   Animalia
Phylum:     Arthropoda
Class:        Insecta
Order:       Lepidoptera
Family:      Noctuidae
Subfamily: Noctuinae
Genus:      Agrotis
Species: A. innominata
Binomial name: Agrotis innominata

Agrotis innominata is the only Agrotis species which is endemic to New Zealand. It has a wingspan of 36–39 mm for males, and 28–31 mm for females. It is found in the coastal regions of New Zealand from May to December. The larvae feed on Ammophila arenaria (Marram grass).

The photos below are of an  Agrotis innominata moth from the Christchurch area.
Moth of the Genus Agrotis.JPG

Moth of the Genus Agrotis-001.JPG

Moth of the Genus Agrotis-002.JPG 

Thanks to Wikipedia for text and information: