684 Depressaria silesiaca
Is single-brooded and overwinters as an adult, usual larval stage July
Larval foodplants : In a silken spinning or tube on Yarrow (Achillea millefolium) or Tansy (Tanacetum vulgare)
Adult, forewing - around 6 to 7.5mm. Flies August to April
For examples of larvae and an adult see:-