Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Hexapoda
Class: Insecta
Order: Lepidoptera
Superfamily: Geometroidea
Family: Geometridae
Subfamily: Larentiinae
Genus: Helastia
Species: H. semisignata
Scientific name: Helastia semisignata
Helastia semisignata is a small sized (14mm body length) New Zealand moth in the subfamily Larentiinae (Carpet moths). It is found only in the North Island usually during September to March.
Their habitat is native forests, gardens and coastal to sub alpine areas.
They are nocturnal and come to lights.