Puriri Moth vs Bella Moth

Side-by-side species comparison

Attribute Puriri Moth Bella Moth
Scientific Name Aenetus virescens Utetheisa ornatrix
Order Lepidoptera Lepidoptera
Family Hepialidae Arctiidae
Size 100-150 mm wingspan 33-46 mm wingspan
Habitat Grasslands Beaches & Coastal
Diet Omnivores Herbivores
Regions Oceania (New Zealand - North Island) Southeastern United States, Central and South America
Conservation Least Concern Least Concern

Puriri Moth

New Zealand's largest moth, with a wingspan up to 150 mm. The caterpillars bore into the trunks of native trees, particularly puriri and putaputaweta, creating characteristic U-shaped tunnels. Adults have no functional mouthparts and do not feed.

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Did You Know?

Puriri moth larvae can spend up to six years boring through living tree trunks before pupating and emerging as adults that live only a few days.

Bella Moth

A brightly colored moth with pink-orange forewings covered in white and black spots. It sequesters toxic pyrrolizidine alkaloids from its host plants for chemical defense.

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Did You Know?

Males transfer protective alkaloids to females during mating, which she then deposits onto her eggs to protect them.