Plutella xylostella   Copyright Martin Evans@WGUK  
Plutella xylostella  
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0464                   'Glossary' opens an extra window 

               Diamond-back Moth                Plutella xylostella  (Linnaeus, 1758)

Well marked forms (like the one in the top left picture), could be confused with: Rhigognostis annulata: on average larger (fw.7.5-10mm). Feeds on Scurvy Grass. South-west England, Wales, Scotland and Ireland.                                            R.incarnatella: larger (fw.8-10mm.), rare. Feeds on Dame's-violet. Highlands, south-west Scotland, Isle of Man and Ireland.