Food Plant: Centaurea spp.(Knapweeds), Cirsium arvense (Creeping Thistle)

Mine: August to October on Thistle, probably full-grown in autumn. September to October on Knapweed, feeding again from April until May or June.

Notes: Larva mines leaves. The full-grown case is 12mm long and blackish-brown.

Data: 2002

Image:© Charles Baker