Kingdom:   Animalia
Phylum:     Arthropoda
Class:        Insecta
Order:       Lepidoptera
Family:      Geometridae
Genus:      Chloroclystis
Species:     C. filata
Binomial name: Chloroclystis filata
Synonyms:     Eupithecia filata, Phibalapteryx rubroferrata
Common name: Filata Moth, Australian pug moth

Chloroclystis filata is a species of moth of the Geometridae family. It is found in New Zealand, the south eastern quarter of Australia and on Norfolk Island. Chloroclystis filata cis self-introduced in the 1960s and is now common all over New Zealand. The caterpillars feed on flowers of shrubs. It likes gorse and kanuka.
This moth has a wingspan of 25mm

This moth's wings vary in colour and patterns as seen in the photos below.
[1]

[2]

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Female moth with large white patches
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The underside of the moth.
[9] 

Thanks to Wikipedia for text and information: https://creativecommons.org/licenses/by-sa/3.0/