Rhigognostis annulatella

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Rhigognostis annulatella
Scientific classification
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R. annulatella
Binomial name
Rhigognostis annulatella
(Curtis, 1832)
Synonyms
  • Cerostoma annulatella Curtis, 1832
  • Plutella bicingulata Zeller, 1839

Rhigognostis annulatella (ringed diamond-back or annulated smudge) is a moth of the family Plutellidae. It is found in most of Europe.

Illustration from John Curtis's British Entomology Volume 6

The wingspan is about 18 mm. Adults are on wing from July onwards, and overwinter in this stage, occurring on the wing until April.

The larvae feed on Cochlearia officinalis. They feed amongst spun leaves and flowers. The pupal cocoon is formed from a network of silk.

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