Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Crambidae
Genus: Eudonia
Species: E. submarginalis
Binomial name: Eudonia submarginalis
Eudonia submarginalis is a small New Zealand Sod Webworm moth of the grass moth family Crambidae.
They are quite variable in appearance as seen in the photos below.