Life cycle

Larvae present June-July, September-April.  Mine: a gallery leading to a rectangular Phyllonorycter-type blotch.  Larva later folds a leaf margin upwards (sometimes downwards) and feeds inside it.  Adult flies May-June, July-August.

Larval foodplants

Hazel.

History

The first for Dumfries & Galloway was found at an unknown site in Dumfriesshire by a person unknown prior to 1985 (BRC/MOGBI data), while the first for Kirkcudbrightshire was of a leaf mine found on hazel at Clifton on 5th July 2014.