''Plutella armoraciae'' is a moth of the family Plutellidae. It is found in north-western

North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...

. The wingspan is about 18 mm. Adults superficially look like a very pale '' Plutella xylostella''. The larvae feed on ''

Armoracia ''Armoracia'' is a genus of flowering plants of the family Brassicaceae, native to the Palaearctic. Its best known member is horseradish, ''Armoracia rusticana'', which is the type species. Species Many species have been described, but most have ...

'' species.Plutella australiana (Lepidoptera, Plutellidae), an overlooked diamondback moth revealed by DNA barcodes
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References

Moths described in 1912 Plutellidae {{Yponomeutoidea-stub