Cardamyla didymalis is a species of snout moth

Pyralidae

The Pyralidae or snout moths are a family of Lepidoptera in the ditrysian superfamily Pyraloidea. In many classifications, the grass moths are included in the Pyralidae as a subfamily, making the combined group one of the largest families in the Lepidoptera...

 in the genus Cardamyla

Cardamyla

Cardamyla is a genus of snout moths. It was described by Walker, in 1859, and is known from Australia.-Species:* Cardamyla carinentalis Walker, 1859* Cardamyla didymalis Walker, 1859* Cardamyla eurycroca Turner, 1937...

. It was described by Walker in 1859, and is known from Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

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The snout moth

Pyralidae

The Pyralidae or snout moths are a family of Lepidoptera in the ditrysian superfamily Pyraloidea. In many classifications, the grass moths are included in the Pyralidae as a subfamily, making the combined group one of the largest families in the Lepidoptera...

is about 40 mm. Adults are generally black and white. The wings are edged with evenly spaced black square spots. The head is orange. The abdomen has black and white bands with some orange along the sides.