Cactoblastis Moth vs Willow Beauty

Side-by-side species comparison

Attribute Cactoblastis Moth Willow Beauty
Scientific Name Cactoblastis cactorum Peribatodes rhomboidaria
Order Lepidoptera Lepidoptera
Family Pyralidae Geometridae
Size 27-35 mm wingspan 38-48 mm wingspan
Habitat Deserts & Drylands Gardens
Diet Omnivores Omnivores
Regions Australia, Oceania Europe, western Asia
Conservation Least Concern Least Concern

Cactoblastis Moth

Originally from South America, this moth was introduced to Australia in 1926 as a biological control agent against invasive prickly pear cactus. It is celebrated as one of the most successful biocontrol programmes in history.

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Did You Know?

A memorial hall was built in Boonarga, Queensland, in honour of this moth for saving millions of hectares of farmland.

Willow Beauty

A well-camouflaged moth with grey-brown wings marked with dark cross-lines that blends perfectly with tree bark. It is one of the most common moths found in gardens.

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Did You Know?

Like the peppered moth, it has developed a darker form in areas affected by industrial pollution.