Food Plant: Corylus avellanae (Hazel)

Egg: Underside of leaf

Mine: July, September

Pupa: In folded leaf-edge, usually on ground.

Notes: Early mine a squarish or triangular blotch with brownish lower epidermis. Thereafter two or three successive folds formed by folding the leaf margin upwards r downwards (initial mine and leaf fold shown above).

Data: 2002, Lancashire

Image:© Ian Kimber