Food Plant: Carpinus betulus (Hornbeam)

Egg: Underside of leaf

Mine: June-July, September-October

Pupa: Under the folded leaf edge, in a cocoon

Notes: The initial mine expands to form a full depth blotch. It resembles Phyllonorycter tenerella - but has a mottled lower surface. It then forms two folds (as shown).

Data: 05.x.2020, Uffelte, Drenthe, The Netherlands

Image:© Ben van As