Food Plant: Cirsium arvense (Creeping Thistle) or other Thistles.

Mine: August to October, with some larvae feeding again in the spring.

Notes: Larva mines leaves. The case is extended and may have ventral and lateral gussets, which are paler, the case appearing streaked. The full-grown case is 12mm long.

Data: 02.x.2010, Downham Market, Norfolk, VC28

Image:© Rob Edmunds