Food Plant: Phyllitis scolopendrium (Hart's-tongue Fern), Asplenium (Spleenwort), Ceterach (Rustyback), Cyrtomium fortunei (Fortune's crytomium) and Polypodium interjectum (Cornish Polypody)

Mine: August - June

Notes: Mines the frond at first, then feeding in sporangia in the spring . Later spins a case from empty sporangia (as shown on the right). Most common on Phyllitis. Has a westerly distibution in England and Wales. Mine shown on Phyllitis (Asplenium) scolopendrium.

Data: 21.iii.2010, Namur, Treignes, Belgium

Image:© Jean-Yves Baugnée