Plutella armoraciae

{{Short description|Species of moth}}

{{Speciesbox

| image = Plutella armoraciae.jpg

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| taxon = Plutella armoraciae

| authority = Busck, 1912[http://mothphotographersgroup.msstate.edu/species.php?hodges=2358 mothphotographersgroup]

| synonyms =

• Plutella amoraciae Marsh, 1913
• Plutella monochlora Meyrick, 1914

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

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

The larvae feed on Armoracia species.[https://www.pensoft.net/inc/journals/download.php?fileId=6914&fileTable=J_GALLEYS Plutella australiana (Lepidoptera, Plutellidae), an overlooked diamondback moth revealed by DNA barcodes]