Plutellidae
18.003 Streaked Diamond-back Plutella porrectella (Linnaeus, 1758)
Common
Similar species:
Forewing: 6.5 to 8mm
Habitats: Gardens, fens and marshes.
Habits: The moth comes to light.
Foodplant: The larva lives in a slight web on Dame's-violet. It feeds (sometimes gregariously) on the leaves and terminal shoots which are drawn together. It pupates in an open netted cocoon under a leaf or in the leaf litter.